Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The MagnaFlow 4x9 oval multi-chamber muffler delivers the brand’s signature sound and dyno-proven flow with a straight-through, weight-optimized reversible design. A perforated stainless-steel core with baffles and tuning gates produces a powerful tone while the 4x14x9 body and 3/2.5in inlet/outlet allow flexible placement. Built with corrosion-resistant stainless steel and CNC precision manufacturing, it’s covered by MagnaFlow’s limited lifetime warranty.
MagnaFlow Muffler Trb SS 4X9 18 3/2.5
