Header Back Exhaust System for 1963-1974 Chevrolet Corvette with 327-396ci V8 engines; Hooker Header Back exhaust system is constructed of 2-1/4 in. 16-gauge aluminized steel tubing for maximum flow and increased performance. This system uses the original equipment tailpipe exit location. Works with any 2-1/4 in. offset inlet/center outlet muffler.;
Reducer Flex-Tubes Reduces Backpressure Improves Engine Efficiency Hardware Included Instructions Included 2-1/4″ Mandrel Bent Aluminized Steel Construction
