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The aFe MACH Force-Xp 3.5" 304 stainless cat-back exhaust (no muffler) for BMW X5/X6 M offers a mandrel-bent, TIG-welded dual system that smooths exhaust flow. In-house dyno testing reported gains up to +15 horsepower and +23 lb-ft of torque. The brush-finished 304 stainless tubing and factory valve integration deliver a controllable tone, from closed-valve aggressive to wide-open competition sound.
aFe MACH Force-Xp 3.5in. 304 SS C/B Exhaust w/o Muffler 15-18 BMW X5 M V8-4.4L (tt) - Black Tip
