Schoenfeld Insert Muffler - 3.5" Core Fits 4" Collector AA0700AF2T570401 Also available in 0W-20 under

Also available in 0W-20 under 18206

Kit includes fuel pump

Available with 1-3/4" or 1-7/8" mandrel bent primary tubes and 3" collectors with merge spears for increased exhaust velocity

static clamp load is increased via our patented machining processes

Schoenfeld Insert Muffler - 3.5" Core Fits 4" Collector AA0700AF2T570401 Also available in 0W-20 underWith its straight through design, the Schoenfeld Insert Muffler will reduce the noise level without excess back pressure. The insertis light weight with nothing to burn out. Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including turn downs, extensions,