aFe Power has developed a high-flow downpipe for your N55-equipped BMW, complete with a high-flow catalytic converter. Utilizing a massive 4" tube design, this downpipe is dyno-proven to make 10 horsepower and 16 ft. 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||F30||335i xDrive||N55 3.0L|