ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and Components
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
Doug's Corvette Sidemount Headers - the pinnacle of performance exhaust systems. Designed with the discerning Corvette enthusiast in mind, they are the perfect blend...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
Doug's Corvette Sidemount Headers - the pinnacle of performance exhaust systems. Designed with the discerning Corvette enthusiast in mind, they are the perfect blend...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and Components
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
Doug's Corvette Sidemount Headers - the pinnacle of performance exhaust systems. Designed with the discerning Corvette enthusiast in mind, they are the perfect blend...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
Doug's is the pioneering force behind the popular TRI-Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid-range torque without...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
Doug's Corvette Sidemount Headers - the pinnacle of performance exhaust systems. Designed with the discerning Corvette enthusiast in mind, they are the perfect blend...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and Components
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
Doug's Corvette Sidemount Headers - the pinnacle of performance exhaust systems. Designed with the discerning Corvette enthusiast in mind, they are the perfect blend...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and Components
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...
ExhaustExhaust HeaderExhaust ManifoldsHeadersHeaders, Manifolds and ComponentsNew Arrivals
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...