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

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

Muffler Insert - Auger Style Muffler Insert - Auger - 3 in Diameter - 11 in Long - Steel - Natural - Each

Glass Pack Muffler Side Pipe Inserts Muffler - Glasspack Style - 4 in Side Tube - Slip-In - Steel - Natural - Pair

Max Flow Muffler Side Pipe Inserts Muffler - Glasspack Style - Maximum Flow - 4 in Side Tube - Slip-In - Steel - Natural - Pair

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