Long Tube Headers for 63-66 Mopar A 273-360 with Reilly Motorsports Coil D454 PERFORMANCE-EXHAUST This header back system includes

This header back system includes a driveshaft tunnel Hpipe crossover kit for maximum ground clearance even on lowered vehicles

4L V8 1972 Chevrolet Townsman 400/6

Intended for use on all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads (recalibration of the ECU may be required when using this intake manifold design with OE ECU)

Applications: 2007-2014 Toyota Tundra

1974-1977 Chevrolet Camaro 350 CID

Long Tube Headers for 63-66 Mopar A 273-360 with Reilly Motorsports Coil D454 PERFORMANCE-EXHAUST This header back system includesOverview: 63 66 A Body Coilover Long Tube Slvr Ctd 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. Features: 3 8" Thick machined flanges to prevent warping Precision formed long transition collectors and long tube design reduces