BMW F80 M3 & F82/F83 M4 MBS Stainless Steel Valved Exhaust System S55 Available Coupon Code:"M3List" (Enter manually at checkout) this system improves horsepower and

this system improves horsepower and torque

this exhaust is lighter than the OEM version and produces minimal drone for a smooth driving experience

5 inch diameter and is lighter than the OEM exhaust

The change is clearly noticeable

BMW F80 M3 & F82/F83 M4 MBS Stainless Steel Valved Exhaust System S55 Available Coupon Code:"M3List" (Enter manually at checkout) this system improves horsepower andOur valved exhaust systems are precisely crafted to produce the best possible tone from your vehicle. Our valves are designed properly to ensure you have full control of your exhaust system. We utilize premium materials to fabricate our systems and we design them so your vehicle has proper airflow with the valves opened and closed. Exhaust Features Vacuum exhaust valves with remotes for OEM like operation. Precise tig welds for maximum strength.