Long Tube Headers for 65-75 Olds 400-455 Olds 1-3/4in Primary D741-B awabsrear-abs 2001-2006 GMC Sierra 2500 HD

2001-2006 GMC Sierra 2500 HD

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49754

4L/V8 2007 Dodge Ram 1500 SLT 4

Dodge W300 Pickup (1957)

Long Tube Headers for 65-75 Olds 400-455 Olds 1-3/4in Primary D741-B awabsrear-abs 2001-2006 GMC Sierra 2500 HDOverview: 65 74 Olds 400 455 Long Tube Black 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 backpressure