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Doug's Headers 1967-74 GM F-Body/X-Body LS Engine Swap 1 7/8" Mid-Length Header D3357

Doug's Headers 1967-74 GM F-Body/X-Body LS Engine Swap 1 7/8" Mid-Length Header D3357
Doug's Headers 1967-74 GM F-Body/X-Body LS Engine Swap 1 7/8" Mid-Length Header D3357Doug's Headers 1967-74 GM F-Body/X-Body LS Engine Swap 1 7/8" Mid-Length Header D3357Doug's Headers 1967-74 GM F-Body/X-Body LS Engine Swap 1 7/8" Mid-Length Header D3357Doug's Headers 1967-74 GM F-Body/X-Body LS Engine Swap 1 7/8" Mid-Length Header D3357
from $1,090.17 st

Available Options

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Model: 5124782
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Mid-Length Headers, often called Clipsters, are engineered to provide superior performance gains over Manifold Replacements or Block Hugger style headers. These headers enhance your vehicles's horsepower and torque while preserving ground clearance for cars with a lowered stance and trucks where long tube headers may hang to low.
Features:
  • 3/8" Thick machined flanges to prevent warping
  • CNC mandrel bent tubes for ensuring accurate fit and optimal flow
  • Heavy duty 16-gauge tubing for long life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Buick Apollo 1973 5.7L / 350 / V8 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 74-74 Apollo Emission Vehicles in 50 States
Buick Apollo 1974 5.7L / 350 / V8 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 74-74 Apollo Emission Vehicles in 50 States
Chevrolet Camaro 1967 4.9L / 302 / V8
5.7L / 350 / V8
6.5L / 396 / V8
5.3L / 327 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Legal for use on 1967 Camaro Emission Vehicles in 50 States
Not Legal for use on 68-69 Camaro Emission Vehicles in 50 States
Chevrolet Camaro 1968 6.5L / 396 / V8
5.7L / 350 / V8
4.9L / 302 / V8
5.4L / 327 / V8
5.3L / 327 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Legal for use on 1967 Camaro Emission Vehicles in 50 States
Not Legal for use on 68-69 Camaro Emission Vehicles in 50 States
Chevrolet Camaro 1969 6.5L / 396 / V8
4.9L / 302 / V8
5.0L / 307 / V8
5.4L / 327 / V8
7.0L / 427 / V8
5.7L / 350 / V8
5.3L / 327 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Legal for use on 1967 Camaro Emission Vehicles in 50 States
Not Legal for use on 68-69 Camaro Emission Vehicles in 50 States
Chevrolet Chevy II 1968 5.4L / 327 / V8
5.0L / 307 / V8
6.5L / 396 / V8
5.7L / 350 / V8
5.3L / 327 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 1968 Chevy II Emission Vehicles in 50 States
Chevrolet Nova 1969 5.0L / 307 / V8
6.5L / 396 / V8
5.7L / 350 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 69-74 Nova Emission Vehicles in 50 States
Chevrolet Nova 1970 5.0L / 307 / V8
7.4L / 454 / V8
5.7L / 350 / V8
6.6L / 402 / V8
6.5L / 396 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 69-74 Nova Emission Vehicles in 50 States
Chevrolet Nova 1971 5.0L / 307 / V8
7.4L / 454 / V8
5.7L / 350 / V8
6.6L / 402 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 69-74 Nova Emission Vehicles in 50 States
Chevrolet Nova 1972 5.0L / 307 / V8
6.6L / 402 / V8
5.7L / 350 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 69-74 Nova Emission Vehicles in 50 States
Chevrolet Nova 1973 5.0L / 307 / V8
5.7L / 350 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 69-74 Nova Emission Vehicles in 50 States
Chevrolet Nova 1974 5.7L / 350 / V8 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Not Legal for use on 69-74 Nova Emission Vehicles in 50 States
Oldsmobile Omega 1973 5.7L / 350 / V8 Use with Doug's LS Engine and Transmission Mount kits.
For use with Chevrolet LS Engine Swap.
Mid Length
Not Legal for use on 73-74 Omega Emission Vehicles in 50 States
Oldsmobile Omega 1974 5.7L / 350 / V8 Use with Doug's LS Engine and Transmission Mount kits.
For use with Chevrolet LS Engine Swap.
Mid Length
Not Legal for use on 73-74 Omega Emission Vehicles in 50 States
Pontiac Firebird 1967 6.6L / 400 / V8
5.3L / 326 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Legal for use on 1967 Firebird Emission Vehicles in 50 States
Not Legal for use on 68-69 Firebird Emission Vehicles in 50 States
Pontiac Firebird 1968 6.6L / 400 / V8
5.7L / 350 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Legal for use on 1967 Firebird Emission Vehicles in 50 States
Not Legal for use on 68-69 Firebird Emission Vehicles in 50 States
Pontiac Firebird 1969 6.6L / 400 / V8
5.7L / 350 / V8		 For use with Chevrolet LS Engine Swap.
Use with Doug's LS Engine and Transmission Mount kits.
Mid Length
Legal for use on 1967 Firebird Emission Vehicles in 50 States
Not Legal for use on 68-69 Firebird Emission Vehicles in 50 States
Pontiac Ventura 1973 5.0L / 307 / V8
5.7L / 350 / V8		 Use with Doug's LS Engine and Transmission Mount kits.
For use with Chevrolet LS Engine Swap.
Mid Length
Not Legal for use on 73-74 Omega Emission Vehicles in 50 States
Pontiac Ventura 1974 5.7L / 350 / V8 Use with Doug's LS Engine and Transmission Mount kits.
For use with Chevrolet LS Engine Swap.
Mid Length
Not Legal for use on 73-74 Omega Emission Vehicles in 50 States

Specifications:

Collector Attachment Slip fit
Collector Diameter 3.0 IN
Collector Port Diameter 3.0 IN
Cylinder Head Port Shape Round
Design Mid Length
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Style Mid Length
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape Round
Primary Tube Outside Diameter 1.875 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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