2010-2013 Audi S4 Cat Back Exhaust; Quad Split Rear Exit by Magnaflow (15599) Magnaflow

MagnaFlow Exhaust – Stainless Series: Whether you drive a street, off-road or diesel truck/SUV, MagnaFlow has DYNO-PROVEN exhaust systems that are rugged enough to survive grueling Baja racing. Each system is designed to bolt right on and provide years of trouble-free performance. Provides a smooth, deep tone that is suitable for grocery-getting SUV’s with casual tow duties to full blown modded drag racing diesel pickups.* Delivers a Smooth, Deep Tone* 100% Stainless Steel* Fully Polished Mufflers* Dyno Proven* Lifetime Warranty