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Flowtech 49152

Flowtech Afterburner Headers Small Block Chevy

387-49152

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Save $25 off $250, $50 off $500, $100 off $1,000. Promo Code: HORSEPOWER exclusions apply

$261.99
Flowtech Afterburner Headers Small Block Chevy $261.99
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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
  • Black High Temp Finish
  • Items You May Also Consider

    Flowtech 49152 Details

    Chevy/GMC Truck

    Footnotes:
  • Fits all specified vehicles with column shift automatic transmission.
  • Must modify stock exhaust to retain catalytic converters.
  • Not legal for use on pollution controlled motor vehicles.
  • Applications with oxygen sensor use reducer 387-10110 for 3'' 3-bolt flange.
  • Fits C30 Crew Cab only, will not fit Standard cab.

  • Specifications:

    Application
    Automotive
    Bolts/Studs Included
    Yes
    Catalytic Converter(s) Included
    No
    Collector Attachment
    3-bolt flange
    Collector Diameter (in.)
    3
    Cross Over Pipe Included
    No
    Flange Style
    Standard
    Gaskets Included
    Yes
    Header Finish
    Painted
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 5/8
    Primary Tube Gauge
    18-gauge
    Quantity
    Sold as a pair
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Tube Direction
    Down Swept
    Tuned
    No
    Weld-Up
    No
    Manufacturer's Part Number:
    49152FLT
    Shipping Weight:
    32
    Package Height:
    18.5
    Package Depth:
    36.5
    Package Width:
    9.5


    Afterburner Headers Break New Ground!
    FlowTech's Afterburner Headers are the latest innovation in header technology! The patented Velocity Turbo Chamber gives you more HP and torque by smoothing out exhaust pulses which in turn increases scavenging, improving your exhaust systems efficiency! Perfect for most Small Block Chevy applications, the Afterburner Headers utilize a 1.625'' primary tube with a 3'' collector giving you the torque of a Tri-Y style header with the midrange and high end HP of large tube headers! Available in either high temperature black painted or metallic silver ceramic finish. Includes all necessary gaskets, bolts, and reducers.

    Features:
  • Patented Velocity Tube increases cylinder scavenging
  • Tuned length primary tubes smooth out exhaust pulses
  • Creates more power than a comparably sized header
  • Includes gaskets, bolts and reducers for installation

    NOTE: Will not fit with angle plug heads.

    Turbo Chamber

  • Does Flowtech 49152 fit your vehicle?

    Narrow Results

    1974  CHEVROLET K20 PICKUP

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K1500 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET BLAZER K5

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1986  CHEVROLET BLAZER K5

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K25/K2500 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1985-1986  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  GMC K25 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984  CHEVROLET BLAZER K5

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1982  GMC K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1977  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  GMC K25/K2500 PICKUP

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985-1986  CHEVROLET BLAZER K5

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1974  CHEVROLET BLAZER

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K25/K2500 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  GMC K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978  GMC K25 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1982  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980  GMC K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981  CHEVROLET K30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1984  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET BLAZER K5

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  CHEVROLET K5 BLAZER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K35/K3500 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1985-1986  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974  GMC K25/K2500 SUBURBAN

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC K35 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1982  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  GMC K15 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1982  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K3500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987-1988  CHEVROLET V30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET K5 BLAZER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1989-1991  CHEVROLET V3500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1979  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SIERRA GRANDE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1982  CHEVROLET BLAZER K5

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980  GMC K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985  CHEVROLET K20 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987  CHEVROLET V10 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1984  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1982  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1983-1984  GMC K1500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET K30 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  GMC K15 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974  GMC K15/K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1980  CHEVROLET K30 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974  CHEVROLET K10 PICKUP

    • CC: 5737
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978  GMC K25 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K35 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1978  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987  CHEVROLET V20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1984  CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973  GMC K35/K3500 PICKUP

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983  CHEVROLET K20 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K35 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K10 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  GMC K15/K1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  GMC JIMMY

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979  CHEVROLET K10 SUBURBAN

    • CC: 5031
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990  GMC V1500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976  CHEVROLET K5 BLAZER

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983-1984  CHEVROLET BLAZER K5

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~Must Remove The Rubber Stopper Below The Starter~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978  GMC K25 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1982  GMC K2500 PICKUP

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988  GMC V2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET K10 SUBURBAN

    • CC: 5736
    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1982  GMC K2500 SUBURBAN

    • Fitment_Note: w/Oxy. Sensor- Use Reducer PN[10105FLT] For 2.5 in Flange~w/Oxy. Sensor - Use Reducer PN[10110FLT] For 3 in. Flange~May Require Clutch Linkage Modification~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~The following vehicles are considered Racing Use Only Vehicles: Racing Use Only
    • Liter: 5.7
    • SubModel: BASE
    • 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.