We made the S55 sound epic with the valves closed, and with them open… again! All while remaining emissions-compliant. Presenting the second generation of SwitchPath™ Exhaust for the BMW F8X M3 and M4.
Minimal bends, maximum flow, and push-button attitude. AWE Tuning BMW M3 F80 M4 F82 SwitchPath Catback Exhaust Diamond Black Tips a true catback configuration comprised of 3-inch and 2.5-inch U.S.-sourced T304L stainless steel, a precision x-pipe, and a valved SwitchPath™ muffler tuned specifically for the S55.
Beginning after the secondary catalysts, the precision X-pipe immediately helps smooth the S55 of its infamous rasp, allowing the tone to be further refined by the bespoke muffler in the rear.
 
Unified design for OPF euro and non-euro spec cars (2015 - 2020 fitments confirmed)
50-state legal catback design:
sick sound with all catalysts intact
Precision-engineered X-pipe to unlock a clean S55 tone
Available as valved SwitchPath™ or rowdy Track Edition
SwitchPath™ utilizes factory valving and retains M-Sport button functionality
3” CNC mandrel-bent catback configuration
Max gains of 12 hp and 16 ft-lbs of torque at the wheels
Track Edition comes complete with AWE machined mechanical valve simulators
Tip options include 102mm double-walled, slash-cut tips in chrome silver or diamond black
Handcrafted from U.S.-sourced .065" wall T304L stainless steel
Proudly engineered, designed, and manufactured in-house at AWE
No Check Engine Light guarantee
Perfect Fitment guarantee
 
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