Magnaflow SS 4in Round Straight-Through Performance Muffler 4x4x14in

MagnaFlow SS 4" Round Straight-Through Performance Muffler — 4x4x14 Improve power, sound and durability with the MagnaFlow SS 4in Round Straight-Through Performance Muffler (part 10416). Engineered for a deep, refined tone and improved exhaust flow, this compact 4 x 4 x 14 inch muffler delivers dyno-proven gains while fitting a wide range of applications. Free-flowing straight-through design — Perforated stainless-steel core wrapped in stainless mesh and acoustic fiber for an aggressive, resonant exhaust note without drone. Universal fitment — Reversible 2.5/2.5 in inlet/outlet orientation provides flexible installation options to match vehicle spacing and piping layout. Lightweight, compact package — 4x4x14 in dimensions ideal for tight underbody clearances and performance builds. Premium construction — Full stainless-steel body and internals resist corrosion for long-lasting performance; satin finish for a clean, OEM-plus appearance. Precision manufacturing — CNC robotic fabrication ensures consistent quality and fit; backed by MagnaFlow’s limited lifetime construction warranty. Professional installation recommended — Cutting and welding may be required to achieve correct fitment and alignment. Perfect for street, performance and custom exhaust systems, the MagnaFlow SS 4" Round Performance Muffler balances improved flow, durable stainless construction and a signature MagnaFlow tone. Upgrade your exhaust for better throttle response, reduced restriction and a premium sound character.