Insert Muffler 3.5inOD FITS 4in COLLECTOR

The Insert Muffler 3.5inOD FITS 4in COLLECTOR by Schoenfeld is a precision exhaust component designed for high-performance and race applications where traditional OEM mufflers may not meet performance demands. This insert muffler is ideal for builders and enthusiasts looking for optimized flow characteristics while effectively managing sound on the dyno or at the track.

Engineered to fit 4-inch exhaust collectors, the 3.5-inch outer diameter design allows for a direct slip-fit installation in custom exhaust builds. The insert construction focuses on acoustic tuning through internal chambering and baffle design, effectively reducing high-frequency drone while maintaining low-end scavenging efficiency critical for engine performance. Weighing just 0.54 lbs, this lightweight component minimizes unsprung mass, making it suitable for tight engine bay installations.

Carburetor-fed engines, fuel-injected motors, and boosted platforms can all benefit from this insert muffler's balanced approach to exhaust velocity and acoustic management. Mechanics and fabricators often specify Schoenfeld components for competition builds, ensuring that performance and sound management are optimized for various applications.