Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353-B filter-back-exhaust 3 Outside Circumference (mm) (Belt):

3 Outside Circumference (mm) (Belt): 2217 Top Width (in) (Belt): 1

2L V6 1979 - 1981 Pontiac Firebird 301/4

This is a true bolt on system that includes the tailpipe

BRExhaust Direct-Fit Replacement Exhaust Kit 106-0107 includes (2) 2in

Part Number: 18045

Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353-B filter-back-exhaust 3 Outside Circumference (mm) (Belt):Overview: 55 57 Chevy SBC 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