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

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

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

4in Side Pipe Mufflers SB Reverse Flow Muffler - Super Competition - Small Block Reverse Flow - 4 in Side Tube - Slip-In - Steel - Natural - Pair

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