Magnaflow SS Muffler 7in Round Straight-Through Universal 4in Inlet/Outlet

Magnaflow SS Muffler — 7" Round Straight-Through Universal (4" Inlet/Outlet) Brand: Magnaflow The Magnaflow 7" Round Straight-Through Performance Muffler (model 12770) delivers dyno-proven horsepower gains and the signature deep, smooth Magnaflow tone in a compact, weight-optimized package. Built from corrosion-resistant stainless steel with a premium satin finish, this muffler combines durability with refined styling. Key Features Straight-through design: Perforated stainless steel core with stainless mesh and acoustic fiber for free-flowing exhaust and a powerful, resonant sound. Universal 4" inlet/outlet: Reversible 4" / 4" layout allows flexible installation to match vehicle spacing and piping orientation. Precision construction: CNC robotic manufacturing for consistent fit and finish, backed by Magnaflow’s limited lifetime construction warranty. Compact dimensions: 7 x 7 x 14-inch package optimizes weight and space without sacrificing performance. Professional install recommended: Cutting and welding typically required for best results. Benefits Expect improved exhaust flow, reduced backpressure, and a rich, authoritative tone that enhances both street and performance builds. The stainless construction resists corrosion for long-lasting performance and appearance. Fitment & Installation Universal application — trim and weld for custom installs Works with 4" piping; reversible inlet/outlet orientation Professional installation recommended for optimal seal and alignment Upgrade your exhaust with Magnaflow’s 7" SS straight-through muffler for reliable performance, legendary sound, and durable construction.