Hooker 16521HKR Header Back Exhaust System
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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.
- 1963-82 Corvette: 265-400
- Reducer Flex-Tubes
- Reduces Backpressure
- Improves Engine Efficiency
- Hardware Included
- Instructions Included
- 2-1/4"" Mandrel Bent Aluminized Steel Construction
- Will not work with a TH400 transmission
Application1963 Chevy Corvette
1964 Chevy Corvette
1965 Chevy Corvette
1966 Chevy Corvette
1967 Chevy Corvette
1968 Chevy Corvette
1969 Chevy Corvette
1970 Chevy Corvette
1971 Chevy Corvette
1972 Chevy Corvette
1973 Chevy Corvette
1974 Chevy Corvette
1975 Chevy Corvette
1976 Chevy Corvette
1977 Chevy Corvette
1978 Chevy Corvette
1979 Chevy Corvette
1980 Chevy Corvette
1981 Chevy Corvette
1982 Chevy Corvette
Header dual system will not fit Turbo 400 applications.
P/N 16521HKR was designed to be used with Hooker Competition P/N 2456HKR headers. If the dual exhaust is being installed with any header other than 2456HKR, modifications will be required. Hooker Headers will not assume responsibility for fit or performance.
Mufflers are not supplied with this system. Hooker Headers has designed this kit for use with Hooker Turbo mufflers P/N 21005HKR, 21105HKR or any equivalent 2-1/4" i/d inlet by 2-1/4" i/d outlet single offset muffler. Glasspack mufflers may be used with slight modification.
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Q & A
Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.