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 Detailing & Care>Paint Protection Film ** THIS IS THE REAR

** THIS IS THE REAR AXLE BACK SECTION ONLY

Extended Polyphonic Harmonizer muffler core design exits inside the 4

so trimming weight is a bonus feature

The air filter is located in the air filter assembly's original spot

This aFe POWER 76mm Throttle Body and adapter kit improves engine air flow over the stock 65mm throttle body

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 Detailing & Care>Paint Protection Film ** THIS IS THE REARAdd power, sound and unique style to your BMW X5 X6 M with this cat back system which produced gains of up to +20 horsepower and +33 lbs. x ft. torque as measured on our in house dyno. Dual 3" to 2 1 2" mandrel bent, brush finished 304 stainless steel tubing keeps exhaust flowing smoothly for power gains you can feel. Designed with a transverse, high flow muffler finished in high temp powder coating for long lasting good looks and unique sound. The