The MagnaFlow 4″ X 9″ Oval Straight-Through 11366 is meticulously crafted to enhance your driving experience with our signature exhaust sound and proven performance. Its free-flowing straight-through perforated stainless steel core, encased in stainless steel mesh and acoustic fiber fill, delivers a distinctive tone. The reversible, universal 2.5/2.5in. diameter inlet/outlet Straight-Through design offers flexibility in installation, though professional installation is recommended.

Muffler 11366’s weight-optimized 4x9x11in. oval-shaped body, featuring a satin finish, enhances the overall aesthetics of your current exhaust setup. Constructed from durable, corrosion-resistant stainless steel and utilizing advanced CNC precision robotic manufacturing, the 11366 is backed by MagnaFlow’s limited lifetime construction warranty, ensuring both quality and durability.