Magnaflow14161MufflerThe MagnaFlow 6in. Round Straight-Through Performance Exhaust Muffler 14161 is engineered to enhance your vehicle with our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. The weight-optimized, reversible, universal 3.5/3.5in. diameter inlet/outlet layout and 6x6x14in. round body shape offer flexible installation options to fit the spacing requirements of your ride. Professional installation is highly recommended. 14161 features a premium brushed finish. Muffler 14161 is made of durable, corrosion resistant stainless steel and produced using advanced CNC precision robotic manufacturing techniques, all backed by MagnaFlow's limited lifetime warranty.Many racing venues are now requiring vehicles to be equipped with sound-dampening devices to meet strict dB level requirements. Any vehicle that cannot meet the restrictions cannot race. MagnaFlow offers these straight-through, Wide Open Performance Race Series mufflers to significantly reduce dB levels on high-performance vehicles without any loss in performance. The Race Series mufflers feature a stainless steel body, end caps and perforated core, and a stainless weld bead.