Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.
Specifications:
| Description_SHO |
Car 4-Tube Header |
| Description_INV |
Doug Car 4-Tube Header |
| Description_ASC |
For the enthusiast who demands the best, Doug's Headers are not just components; they're a statement of excellence, a commitment to leading-edge performance, and a nod to the glory days of muscle cars and drag racing. Join the ranks of champions. Experience the unmatched quality and performance of Doug's Headers today. |
| Description_DES |
68-72 GTO 326-455 Long Tube Stainless |
| Description_EXT |
Doug's Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector 304 Stainless |
| Description_MKT |
Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. |
| Description_FAB |
Natural stainless-steel finish offers superior resistance to rust and corrosion |
| Description_FAB |
3/8" thick 304 stainless machine flanges to prevent warping |
| Description_FAB |
CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow |
| Description_FAB |
Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower |
| Description_TLE |
Doug's Headers 1968-72 Pontiac GTO/LeMans/Tempest D-Port Heads 1 3/4" 304 Stainless Steel Long Tube Header - D590-SS |
