MBRP Exhaust S45033CF T304 3" Axle-Back Quad Rear Exit for 21-26 BMW M4/M3

3in. Axle-Back. Quad Rear Exit. T304. CF. Active THE ONLY EXHAUST YOU"LL EVER NEED - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy.
The T304 Stainless Steel tubing is easy to clean and maintain. It’s the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine’s cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great. Durable T304 Stainless Steel Construction. Bolt-On Installation. Retains Factory Active sound. Up to 4 Percent Flow Increase. Carbon Fiber Tips Included.