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The AWE SwitchPath cat-back for BMW F8X M3/M4 retains factory valve operation to preserve the M-Sport button functionality while offering handcrafted T304L stainless steel construction and a precision X-pipe to refine the S55 tone. It fits both euro and non-euro spec cars, uses 3" mandrel-bent tubing and offers tip options in diamond black, with documented gains in power and AWE’s fitment and warranty assurances.
AWE Tuning BMW F8X M3/M4 SwitchPath Cat-Back Exhaust - Diamond Black Tips
