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 Inch to 2-1/2 Inch 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.

Features and Benefits:

• 100 Percent Cad Designed Custom Factory Fitment
• Evenly Distributes Exhaust Pulses
• Tig Welded For Strength
• Corrosion Resistance/Durability
• Hassle Free Installation

Details:

• Color: Black
• Emission Code: 4
• Engine Designation: S63R
• Exhaust Tip Cut: Slant
• Exhaust Tip Included: Yes
• Exhaust Tip Outlet Size: 3.5 Inch
• Exhaust Tip Quantity: Four
• Exhaust Type: Cat-Back
• Exit Location: Rear
• Fuel Type: Gas
• Horse Power Increase: 15 Horsepower
• Includes Muffler: No
• Liter: 4.4 Liter
• Muffler Included: No
• Series: Mach Force-Xp
• Sound Level: Aggressive
• System Finish: Brushed
• System Material: 304 Stainless Steel
• Tail Pipe Material: Stainless Steel
• Tip Cut: Slant
• Tip Finish: Black Powdercoated
• Tip Included: Yes
• Tip Material: 409 stainless steel
• Tip Outlet Size: 3.5 Inch
• Torque Increase: 23 Pounds Per Foot
• Tubing Diameter: 3 to 2-1/2 Inch
• Warranty: 2 Year

Applications:

• BMW X5 M (F85) / X6 M (F86) 15-19 V8-4.4L (tt) S63