BMW M6 F12 F13 powered by 🇧🇪 Xcentric Exhaust Systems / Valvetronic exhaust system with adjustable sound. Vacuum valves.
Exhaust systems from Germany 🇧🇪 Xcentric Exhaust Systems - Downpipes with 200Cell sports catalysts - Cat-Back with adjustable flaps - In the closed position, the sound is the same as the Drain