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Flowtech Standard Headers

387-31530


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Flowtech 31530
$355.95
3 left in stock
Standard Headers
  • Chevy 396-454
  • 1968-81 Chevy/GMC 1/2-Ton & 3/4-Ton 4WD
  • 1968-87 GM 1/2, 3/4, 1-Ton & Blazer/Jimmy 2WD
  • 1973-81 Blazer/Jimmy K5, Suburban 4WD
  • 1973-91 Chevy/GMC Suburban 2WD
  • 1.75'' Tube
  • 3'' Collector
  • Ceramic Coateded
  • Free Shipping - Ships
    Save $10 on $199, $20 on $299, $30 on $499, $100 on $1,199 Orders. Promo Code: OPENROAD exclusions apply
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    1979-1980  GMC C1500 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET K30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1987-1988  CHEVROLET R20 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET K20

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974  GMC K15/K1500 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1977  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC C25/C2500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1980  GMC C1500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C35

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986  GMC C2500 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973  GMC JIMMY

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET K30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1981  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C35

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  CHEVROLET C10 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1980  GMC C2500 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET C20 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1981  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969  CHEVROLET K20 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972  CHEVROLET C20 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC K15/K1500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1973-1974  CHEVROLET C10 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987  GMC R2500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC C35/C3500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1987  CHEVROLET R30

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  CHEVROLET C30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1980  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET C10 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1987  GMC R2500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET K30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C25 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C15

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987  CHEVROLET R20

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET C10 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  GMC C35/C3500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1972  CHEVROLET C20 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1987-1988  CHEVROLET R20 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986  CHEVROLET C30

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978  GMC C15 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET C30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976  GMC K25

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC K15

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET C20 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1974  GMC C25/C2500 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1990  GMC R2500 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SLE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC K1500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1982  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C10 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1980  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975  GMC C15 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC K25/K2500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968  CHEVROLET K10 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975  CHEVROLET C30

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET K30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1987  GMC R3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987  GMC R3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974  GMC K25/K2500 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977  GMC K25 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC C35/C3500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1977-1978  GMC K25

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987  GMC R3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET K30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972  CHEVROLET C30 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: E
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1977-1978  GMC C15

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HEAVY HALF
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  CHEVROLET K20 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C20

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  CHEVROLET K10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C20

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C15/C1500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  GMC K15/K1500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976-1980  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978  CHEVROLET K5 BLAZER

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C25

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C25 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1981  GMC K3500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987  CHEVROLET R20

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974  GMC C25/C2500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973  CHEVROLET BLAZER

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972  GMC C15/C1500 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975  CHEVROLET C10

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC C25 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  CHEVROLET C20 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986  GMC C2500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975  CHEVROLET C30

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969  CHEVROLET K20 PICKUP

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 6.5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1976-1978  CHEVROLET K20

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: S
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980  GMC C1500

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ 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: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC K25

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976  GMC K25 SUBURBAN

    • Fitment_Note: 1.75 in. Primary Tubing; w/3 in. Collector; Mild Steel; Ceramic Coated;Intended For Race Use Only; Must Use Original Factory Big Block Engine Frame Mounts & Hardware~ Must Modify Stock Exhaust To Retain Cat. Converter
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )
    31530 is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Product description was accurate. Good quality. Got great. !
    Date published: 2019-09-23
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    Items You Need

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    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.