AWE: 2015-2018 BMW M3 3.0T - Non Resonated SwitchPath Exhaust Diamond Black Tips 90mm production With four valves

With four valves

9 axle (previous version) withstood 4850 ft-lbs and 80 degrees twist

Includes Kooks Ultra High Performance GREENCATS

20mm for the high flow Whipple intercooler upgrade

102mm double-walled tips available in chrome silver or diamond black

AWE: 2015-2018 BMW M3 3.0T - Non Resonated SwitchPath Exhaust Diamond Black Tips 90mm production With four valvesAWE Tuning SwitchPath technology responds to the exhaust valve commands sent from your BMW ECU, dependent on your throttle input and M Sport button setting. This means that the AWE Tuning F80 M3 SwitchPath Exhaust will transform from a sophisticated "Touring" note to an aggressive "Track" note with the touch of the M Sport button or throttle position. Features: Full dual 3" CNC mandrel bent configuration Max gains of 20 hp and 31 ft lbs of torque at