5500 RPM and 20 ft.-lbs. at peak of 4500RPM versus a leading aftermarket undercar header/turbo-style muffler combination. The outer case is constructed of durable 16 gauge aluminized steel protected by electrostatically applied high-temperature black paint. The inlet/outlet is a 2.5 perforated core in a 4" casing. Sold in pairs.

Features

Fits 4" Side Tube systems

Maximum Flow 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