aFe Power has developed a high-flow downpipe for your X5M or X6M, complete with a high-flow catalytic converter. Utilizing a massive 3.5" to 3" tube design, this downpipe is dyno-proven to make up to 21 horsepower and 29ft. lbs. of torque! Constructed of mandrel-bent brushed 304 stainless steel, this TIG-welded downpipe is sure to perform as good as it looks for years to come!
This Part Fits the Following Vehicles
|BMW||F85||X5 M||S63 4.4L|
|BMW||F86||X6 M||S63 4.4L|