Dougs Headers Metallic Ceramic Coated 2” Primary 3.5” Collector Long Tube Headers BBC 396-502 Chevy Camaro 1970-1973
Highlights
- Unmatched Horsepower Boost
- Reduces Backpressure
- 0.375" Machined Flanges
- 16-Gauge Steel Tubing

Dougs Headers Metallic Ceramic Coated 2” Primary 3.5” Collector Long Tube Headers for 1970-1973 Chevy Camaros with a 396-502 Big Block Engine.
These long tube headers (D325) feature 2-inch primary tubes which connect to a 3.5-inch collector. They also have 0.375-inch thick machined flanges for a warp-free addition to your Big Block engine. With these headers, you can increase horsepower and torque while injecting a bold look under the hood!
Features and Benefits:
- Thick 0.375" machined flanges to prevent warping
- CNC mandrel-bent tubes for accurate fit and optimal flow
- Heavy-duty 16-gauge tubing for extended durability
- Tubes pre-polished to remove scratches before applying metallic ceramic coating
- Compact 3.5" collector with 2.5" reducer exit diameter
- Precisely engineered 2" primary tubes
- Includes comprehensive hardware and gaskets
Vehicle Fitment:
- 1970-1973 Chevy Camaro
- 396-502 BBC Engine
Fitment Notes:
- For use with 396-502 Big Block Chevrolet Engines.
- Big Block frame stands and motor mounts are required for proper fit.
- Requires removal or modification of locking steering columns if equipped.
- Does NOT fit with Powerglide transmission.
California Residents: Proposition 65 Warning
Related Categories: Exhaust
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles
Installation Difficulty

Intermediate skill is required for this installation.
Installation Instructions
Vehicle Fitment
This product will fit the following Camaro years:
- 1970,
- 1971,
- 1972,
- 1973,