1963-1974 Chevrolet Corvette Header Back Exhaust System Hooker 16521HKR universal HOOKER recommends using a cast-iron

HOOKER recommends using a cast-iron exhaust manifold or an old header to break in new engines to avoid coating damage

2001 - 2006 GMC Sierra 1500 HD

This system utilizes the factory hanger locations and includes detailed instructions and all necessary hardware for an easy at home installation

409SS Stainless Steel Construction

These headers can not be used with factory side engine mounts

1963-1974 Chevrolet Corvette Header Back Exhaust System Hooker 16521HKR universal HOOKER recommends using a cast-ironOverview Hooker Header Back exhaust system is constructed of 2 1 4" 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" offset inlet center outlet muffler. Features Reducer Flex Tubes Reduces Backpressure Improves Engine Efficiency Hardware Included Instructions Included 2 1 4" Mandrel Bent Aluminized Steel Construction Application Specs