Moroso Spiral Flow racing muffler with 3-inch inlet/outlet, 4-inch diameter and 12-inch length in steel provides a compact exhaust silencer for performance applications. The spiral flow design balances exhaust flow and sound control, making it suitable for custom systems needing a 3" connection and moderate backpressure characteristics in a 12" body.
Moroso Spiral Flow Racing Muffler - 3in Inlet/Outlet x 4in Diameter x 12in Long - Steel