Magnaflow 4in Round Straight-Through Performance Muffler 4x4x18in Satin Finish

Magnaflow 4" Round Straight-Through Performance Muffler (4x4x18in) — Satin Finish Brand: Magnaflow Upgrade exhaust flow, tone, and durability with the Magnaflow 4" Round Straight-Through Performance Muffler (Model 10426). Built for enthusiasts seeking dyno-proven gains and a bold, resonant exhaust note, this compact 4 x 4 x 18-inch muffler pairs high-performance engineering with a premium satin stainless finish. Key Features Straight-through design: Perforated stainless steel core wrapped in stainless mesh and acoustic fiber for free-flowing performance and a powerful, refined tone. Universal fit: Reversible 2.5"/2.5" inlet/outlet layout allows flexible installation to match most spacing requirements. Durable construction: Corrosion-resistant stainless steel with precision CNC robotic fabrication for consistent quality and longevity. Compact package: Weight-optimized 4x4x18" profile ideal for tight spaces and 4x4 applications. Warranty: Backed by MagnaFlow’s limited lifetime construction warranty. Installation & Notes Professional installation is recommended due to cutting and welding requirements. Compatible with a wide range of aftermarket systems and custom exhaust builds — perfect for daily drivers, trucks, and performance projects. Why choose Magnaflow 10426? You get proven performance, durable stainless construction, and a signature Magnaflow tone in a versatile, easy-to-package form factor.