Hooker Sidetube Slip-In Mufflers

Billys Speed Shop Verified independent store

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Maximum Flow 4" Sidetube Slip-In Muffler; These high performance mufflers produce an average of 23% more power than open headers. Sold in pairs. Fits 4" Side Tube systems Maximum F low Muffler Design Easily Removed For Racing Durable 16 Gauge Outer aluminized Steel Case Electrostatically applied High-Temp Black Paint Finish 2-1/2" to 4" contoured inlet/outlets 2-1/2" high flow perforated core in a 4� casing 2.5" Perforated Core Surrounded by High temperature Sound Absorbing Packing Material Show more