Hooker 4 inch Sidetube Slip-in Muffler Reverse flow design 21003HKR

Hooker Sidetube Slip-In Mufflers
4" Sidetube Slip-In Muffler; Sold In Pairs; All Metal Big Block Reverse Flow Design

-Fits 4 in Side Tube systems
-Big Block Reverse Flow Design
-Easily Removed For Racing
-Efficient Design yet much Quieter than Glass Pack
-High Level Of Sound Control
-All Metal Construction


For 4" 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.