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Flowtech Afterburner Headers Small Block Chevy

387-49152-1


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Flowtech 49152-1
$463.95
Afterburner Headers
  • Small Block Chevy
  • 1973-87 Chevy/GMC Pick-Up 1/2, 3/4, 1-Ton
  • 1973-91 Blazer/Jimmy/Suburban
  • 1988-91 Chevy/GMC 1 Ton Crew Cab
  • 1.625'' Primary Tubes
  • 3'' Collector
  • 4WD
  • Ceramic Metallic Finish
  • Free Shipping - Ships directly from the manufacturer
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    Does Flowtech 49152-1 fit your vehicle?

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    1973-1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1980  CHEVROLET K30

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1980  CHEVROLET K30

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K5 BLAZER

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1977  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K10

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  GMC K15

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973-1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976-1978  GMC K15 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  GMC K15

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC K1500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1990  GMC V2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SLE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K10

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981  CHEVROLET K5 BLAZER

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET K10 PICKUP

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K3500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983-1984  GMC K2500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  GMC K35/K3500 PICKUP

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1990  GMC V2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SLE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K35

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  GMC K25

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1989  GMC V2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982  CHEVROLET K30

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1982  GMC K1500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC K35

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983-1984  GMC K1500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  CHEVROLET K20

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1987  CHEVROLET V20

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  GMC K3500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter On 4WD Only~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  GMC K15 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K15

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1987  GMC V2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: K
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter On 4WD Only~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K25

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET K30 PICKUP

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1976  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: P
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K15

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981-1982  CHEVROLET K20 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET K10

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K35/K3500 PICKUP

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  CHEVROLET K20

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  CHEVROLET K20

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1982  GMC K2500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1973-1974  CHEVROLET K10 PICKUP

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET K5 BLAZER

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1982  CHEVROLET K10

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976  CHEVROLET K10

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1984  CHEVROLET K10

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1980  CHEVROLET K5 BLAZER

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  GMC K15/K1500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: -
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K15

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1980  CHEVROLET K30

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  CHEVROLET K20

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979-1982  GMC K2500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982  CHEVROLET K5 BLAZER

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1973-1974  GMC K25/K2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC K15

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  GMC K25

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1982  GMC K2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  GMC K2500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  GMC K3500

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Must Remove The Rubber Stopper Below The Starter~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  GMC JIMMY

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981-1982  CHEVROLET K10

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  GMC K25

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1981  GMC K2500 SUBURBAN

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1982  CHEVROLET K20

    • Fitment_Note: Long Tube Style; 1.625 in. Primary Tubing; 3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; May Require Clutch Linkage Modification~ Req. A/C Bracket PN[10042FLT]~ w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~ w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~ Must Modify Stock Exhaust To Retain Cat. Converter~ This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.