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The aFe MACH Force-Xp cat-back exhaust system for the BMW N55 delivers uncompromising quality and performance. 3"- 2-1/2" mandrel bent 304 stainless steel tubing and high flow transverse muffler offers optimum exhaust flow and incorporates a factory style exhaust valve to control the exhaust note at all throttle inputs. The system utilizes the factory valve motor and factory performance modes. Closed, it directs the exhaust through the high flow muffler for a smooth, tuned exhaust note. When opened, the exhaust bypasses the muffler to unleash the full performance potential and aggressive note from your N55. Large 4" diameter polished stainless steel exhaust tips come with a laser-etched aFe POWER logo for a stylish finish.
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