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 fits_1997-2012`Chevrolet`C5 5 Bolt Pattern

5 Bolt Pattern

0L L6 (E90/92)

The true benefit to this air filter is its lifetime no hassle warranty and Airaid's unique filter design

4L (tt) Red Edition

along with an aluminum insert that easily mates the intake tube to the air filter

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 fits_1997-2012`Chevrolet`C5 5 Bolt PatternaFe 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 Add 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