If you're looking to have it cranked to 11 at all times, this is for you. The AWE SwitchPath™-to-Track Conversion kit replaces the rear muffler and valve section sections with straight-through, unfiltered Track Edition rear sections.
AWE Tuning 18-19 BMW M5 (F90) 4.4T AWD Track Edition Conversion Kit
AWE SwitchPath™-to-Track Conversion Kit for BMW F90 M5
Exhaust