We bring you some exclusive footage of the new M Performance Exhaust and its sound. We also included a comparison clip with the regular exhaust for the 2021 BMW M3 and M4. The M Performance exhaust system gets sporty tailpipes made entirely of racing-grade titanium and ensure a uniquely racing look at the rear of the vehicle. In addition, the exhaust system is around seven kilograms lighter than the standard version. Note: This is the European M3/M4 which means it has the OPF installed. Therefor