Muffler Insert - Side Pipe Muffler Insert - 3-1/2 in Diameter - 12-1/2 in Long - Steel - Natural - Each

Muffler Insert - Side Tubes Muffler Insert - Auger - 3-1/2 in Diameter - 11 in Long - Steel - Natural - Each

Muffler Inserts - Trad. Lakester (2pk) Muffler Insert - Steel - Patriot Lakester Headers - Pair

Insert Muffler 3.5inOD FITS 4in COLLECTOR Muffler Insert - 4 in Diameter Collector - 3-1/2 in Diameter Core - 4 in Long - Steel - Natural - Each

Insert Muffler 3inOD FITS 3.5in COLLECTOR Muffler Insert - 3-1/2 in Diameter Collector - 3 in Diameter Core - 4 in Long - Steel - Natural - Each