aFe MACH Force-Xp 3.5in 304 SS Cat-Back w/Polished Tips 15-18 BMW X5 M (F85) / X6 M (F86) V8-4.4L S63

In-house dyno testing produced gains of up to +20 horsepower and +33 lbs. x ft. torque
3" - dual 2-1/2" mandrel bent, brush finished 304 stainless steel tubing outflows and outlasts factory exhaust
True quad 3 1/2" diameter polished stainless steel exhaust tips with laser-etched aFe Power logo
100% CAD designed for a custom, high tolerance factory fitment
Transverse, high flow muffler and Integrated mitered merge evenly distributes exhaust pulses
Uses the factory exhaust valve motor and Includes extension leads
Product ID: 49-36341-P

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