Add power, sound and unique style to your BMW X5/X6 M with this aFe Power cat-back system which produced gains of up to +15 horsepower and +23 lbs. x ft. torque as measured on our in-house dyno. Dual 3" to 2-1/2" mandrel-bent, TIG welded, brush finished 304 stainless steel tubing keeps exhaust flowing smoothly for power gains you can feel. The factory exhaust valve motor is used to regulate the exhaust flow from a closed-valve, aggressive tone to wide-open, competition sound.

Product Features:

• 100 Percent CAD Designed Custom Factory Fitment
• Evenly Distributes Exhaust Pulses
• TIG Welded For Strength
• Corrosion Resistance/Durability