Magnaflow SS Muffler 5x11in Oval Straight-Through Universal 3.5in Inlet/Outlet

MagnaFlow SS Muffler 5x11in Oval Straight-Through — Universal 3.5in Inlet/Outlet Upgrade sound & performance with the MagnaFlow 12909 5x11in oval straight-through muffler. Engineered for a deep, refined exhaust tone and improved flow, this muffler uses a perforated stainless steel core wrapped in stainless mesh and acoustic fiber for dyno-proven gains and reduced backpressure. Universal fit: Reversible 3.5in inlet/outlet for flexible installation orientations. Premium construction: 100% stainless steel body and internals for corrosion resistance and long life. Optimized shape: 5" x 11" oval, 22" length — weight-optimized with a satin finish for a clean, OEM-plus appearance. Manufacturing quality: CNC robotic production ensures consistent tolerances and reliable fitment. Warranty: Backed by MagnaFlow’s limited lifetime construction warranty. Ideal for performance street builds, custom exhaust systems, and restoration projects where a smooth, aggressive note and improved exhaust flow are desired. Professional installation recommended for best results.