Chambered Aluminized Muffler: R20402, 4.25x9.5x13 Oval , 3 Center Inlet / 2.5 Dual Outlet
  Chambered Aluminized Muffler: R20422, 4.25x9.5x13 Oval , 3 Center Inlet / 2.25 Dual Outlet
  Chambered Aluminized Muffler: R22041, 4.25x9.5x13 Oval , 2 Offset Inlet / 2 Center Outlet
  Chambered Aluminized Muffler: R22441, 4.25x9.5x13 Oval , 2.25 Offset Inlet / 2.25 Center Outlet
  Chambered Aluminized Muffler: R22442, 4.25x9.5x13 Oval , 2.25 Center Inlet / 2.25 Offset Outlet
  Chambered Aluminized Muffler: R22443, 4.25x9.5x13 Oval , 2.25 Offset Inlet / 2.25 Offset Outlet
  Chambered Aluminized Muffler: R22541, 4.25x9.5x13 Oval , 2.5 Offset Inlet / 2.5 Center Outlet
  Chambered Aluminized Muffler: R22542, 4.25x9.5x13 Oval , 2.5 Offset Inlet / 2.5 Center Outlet
  Chambered Aluminized Muffler: R22543, 4.25x9.5x13 Oval , 2.5 Offset Inlet / 2.5 Offset Outlet
  Chambered Aluminized Muffler: R22583, 4.25x9.5x17 Oval , 2.5 Offset Inlet / 2.5 Offset Outlet
  Chambered Aluminized Muffler: R23041, 4.25x9.5x13 Oval , 3 Offset Inlet / 3 Center Outlet
  Chambered Aluminized Muffler: R23042, 4.25x9.5x13 Oval , 3 Center Inlet / 3 Offset Outlet
  Chambered Aluminized Muffler: R23043, 4.25x9.5x13 Oval , 3 Offset Inlet / 3 Offset Outlet
  Chambered Aluminized Muffler: R24554, 4.25x9.5x17 Oval , 2.25 Dual Inlet / 2.25 Dual Outlet
  Chambered Aluminized Muffler: R25400, 4.25x9.5x13 Oval , 2.5 Center Inlet / 2.5 Dual Outlet
  Chambered Aluminized Muffler: R27426, 4.25x9.5x6.5 Oval , 2.5 Center Inlet / 2.5 Center Outlet
  Chambered Aluminized Muffler: R27427, 4.25x9.5x6.5 Oval , 3 Center Inlet / 2.5 Dual Outlet
  Chambered Aluminized Muffler: R27428, 4.25x9.5x6.5 Oval , 3 Center Inlet / 3 Center Outlet