Long Tube Headers for 68-72 GTO 326-455 W/O EGR/A.I.R. 1-3/4in Primary D590-B AN 5-inch x 3

5-inch x 3

4 V6 1992 - 1993 Oldsmobile Achieva SL 204/3

6L/V8 2001 - 2003 Mazda Protege 2L/L4 2002 - 2003 Mazda Protege5 2L/L4 2003 - 2005 Mercury Grand Marquis 4

Chevrolet Caprice (1967-1968)

Freightliner Condor (2001

Long Tube Headers for 68-72 GTO 326-455 W/O EGR/A.I.R. 1-3/4in Primary D590-B AN 5-inch x 3Overview: 68 72 GTO 326 455 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