Hooker 21003HKR Exhaust Muffler

4 in. Sidetube Slip-In Muffler; Sold In Pairs; All Metal Big Block Reverse Flow Design;

For 4 in. sidetube sound control, Hooker builds long lasting slip-in
mufflers. These mufflers are easily removed for racing purposes and
are available in a performance style glasspack or our quieter all metal reverse flow style for small and big block applications. Hooker mufflers produce a high level of sound control without restricting engine efficiency. Sold in pairs.;