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Flowtech Manifold Back Super Street Dual Kit 1973-87 Chevy/GMC 1/2, 3/4, 1-Ton Pickups 4WD

387-52525

made in usa

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Flowtech 52525
$176.95
4 left in stock
Manifold Back Super Street Dual Kit
  • 1973-87 Chevy/GMC 1/2, 3/4, 1-Ton Pickups 4WD
  • Small Block Chevy 305-400ci
  • For Use With Factory Manifolds
  • 2-1/4" Diameter
  • Free Shipping - Ships
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    Does Flowtech 52525 fit your vehicle?

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    1975-1976  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  GMC K25

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K2500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  GMC K25

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  GMC K2500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987  GMC V1500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980-1981  GMC K1500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979  GMC K1500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1979  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  GMC K2500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  GMC K25

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1983  CHEVROLET K30

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984-1986  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K2500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  GMC K3500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K25 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981  GMC K1500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1981  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979  GMC K1500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976  GMC K15

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K35

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981-1986  GMC K1500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1984  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1985-1986  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K2500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1979-1980  GMC K3500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1981  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  GMC K25

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984-1986  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1986  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K35

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC K2500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980  GMC K3500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  GMC K25 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1974  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1982  GMC K3500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 307
    • EngineType: V8 ( 5 L / 307 )

    1982  CHEVROLET K30

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K30

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  GMC K2500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981-1983  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1980  GMC K2500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: X
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979  GMC K1500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1978  GMC K25

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1986  GMC K3500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975  GMC K25 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1980  CHEVROLET K30

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975-1976  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K25

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1977-1978  GMC K25 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1985-1986  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1975  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: Y
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1979  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980-1986  CHEVROLET K30

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976-1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980  GMC K3500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1982  GMC K1500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1983  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1986  GMC K2500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1981  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985  CHEVROLET K30

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981  CHEVROLET K10

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1976  GMC K15 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 6.6
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA GRANDE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1977  CHEVROLET K20 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: U
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )

    1981  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: DELUXE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1986  GMC K1500

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976  CHEVROLET K20

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles
    • Liter: 5.7
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1985  GMC K1500 SUBURBAN

    • Fitment_Note: 2.25 in. Tubing; Dual Kit; Dual Rear Exit; Incl. RH-OH Header Ext. Pipe/Ft. Tailpipe Ext. Pipe/RH-LH Tailpipes/Hardware; w/o Mufflers;Legal in California Only for Racing Vehicles; This part is legal for sale or use on Racing Use Only Vehicles~ WARNING: It is against the law to install this part on an Emissions Controlled Vehicle~ The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
    • Liter: 5
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5 L / 305 )
    52525 - FlowTech Super Street Header/Manifold Back Dual Exhaust Kits is rated 3.0 out of 5 by 3.
    Rated 5 out of 5 by from Everything fit Took about half a day to install. No modifications needed.
    Date published: 2016-10-07
    Rated 3 out of 5 by from Will not bolt too stock manifolds pipe is 2 .25 manifolds are 2.0 had to cut old pipe and flange and to new 2.25 pipe
    Date published: 2016-05-15
    Rated 1 out of 5 by from Cheap Junk! Do not waste the $170 bucks on this. Will only fit the stock c10 350 iron manifolds. Did not look like the picture. One downpipe was bent 90 degrees the other was 45 degrees. Not of the bends were consistent from left to right side.
    Date published: 2018-01-28
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    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.