Magnaflow SS Muffler 5x8in Oval Straight-Through Universal 3in Inlet/Outlet

Magnaflow SS Muffler 5x8in Oval Straight-Through — Universal 3in Inlet/Outlet Model: MagnaFlow 12259 Upgrade your exhaust with a proven performance muffler designed for power, tone, and durability. The Magnaflow 5x8in oval straight-through muffler delivers a deep, refined exhaust note and improved flow with race-proven engineering. Construction: Perforated stainless steel core wrapped in stainless mesh and acoustic fiber for consistent sound attenuation and flow. Fitment: Universal reversible 3.0" inlet/outlet — install in multiple orientations to match custom or replacement systems. Dimensions: 5" x 8" oval body, 18" length; satin finish for a clean, OEM-plus appearance. Durability: Corrosion-resistant stainless steel and CNC robotic manufacturing for precision and long life. Warranty: Backed by MagnaFlow’s limited lifetime construction warranty. Ideal for street performance builds, restorations, and custom exhaust systems seeking improved exhaust scavenging, reduced backpressure, and the iconic Magnaflow tone. Professional installation recommended for best fit and performance.