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The aFe MACH Force‑Xp axle‑back exhaust with polished tips for 2015–2020 BMW M3/M4 (S55) combines brushed 304 stainless tubing with a high‑flow transverse muffler to sharpen sound and flow. It incorporates a factory‑style valve (uses factory motor), fits using OEM hangers for easy installation, and terminates in quad 3.5" polished stainless tips. Hand TIG‑welded construction and factory mounting points simplify fitment.
aFe MACH Force-Xp 2-1/2in SS Axle Back Exhaust w/Polished Tips 15+ BMW M3/M4 (F80/F82) L6 3.0L (tt)
