Doug's Headers D590-SS - Doug's Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector 304 Stainless

Doug's Headers D590-SS - Doug's Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector 304 Stainless

Doug's Long Tube Header 68-72 GTO 326-455 W/O EGR/A.I.R. 1 3/4" Primary 3" Collector 304 Stainless

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.

• Natural stainless-steel finish offers superior resistance to rust and corrosion
• 3/8" thick 304 stainless machine flanges to prevent warping
• CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
• Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower