Hooker Sidetube Slip-In Mufflers - 21003HKR4" Sidetube Slip In Muffler; Sold In Pairs; All Metal Big Block Reverse Flow Design Part Number: 21003HKR 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
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4" Sidetube Slip-In Muffler; Sold In Pairs; All Metal Big Block Reverse Flow Design
Part Number: 21003HKR
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.
Features and Benefits
• Fits 4" 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