Schoenfeld Insert Muffler Reducer - 3" Diameter HS11 GM B-Body 1967-69

GM B-Body 1967-69

Due to their Cool Shell Technology they can be placed in virtually any location under the vehicle

1966-1976 Dodge Coronet

Heat Screen features a thermal barrier on one side made of a superior reflective aluminized mylar surface capable of withstanding direct heat up to 1200F

Schoenfeld Insert Muffler Reducer - 3" Diameter HS11 GM B-Body 1967-69With its straight through design, the Schoenfeld Insert Muffler will reduce the noise level without excess back pressure. The insert is 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,