If you're looking to regain control of your M5's soundtrack, this is how. The AWE Track-to-SwitchPath™ Conversion kit replaces the rear straight sections with valved tip merges which allow the control exhaust volume using the factory on-board controls.
AWE Tuning 18-19 BMW M5 (F90) 4.4T AWD SwitchPath Conversion Kit
AWE Track-to-SwitchPath™ Conversion Kit for BMW F90 M5
Exhaust