1963-1974 Chevrolet Corvette Header Back Exhaust System Hooker 16521HKR universal 2001 - 2006 GMC Sierra

2001 - 2006 GMC Sierra 1500 HD

75" Rear Axle

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

These headers can not be used with factory side engine mounts

This American Thunder® Cat-back exhaust system is designed for the 2015-2023 Dodge Challenger Hellcat and Demon with the 6

1963-1974 Chevrolet Corvette Header Back Exhaust System Hooker 16521HKR universal 2001 - 2006 GMC SierraOverview 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