aFe Power's introduces the "Race Only" Elite Twisted Steel down-pipes for the 2015 BMW M3/M4 (F80/82) with the L6-3.0L (tt) S55 engine. The down-pipes are 100% TIG-welded and constructed of...

Put up to 40hp and 51lbs. x ft. torque to your N54 today! The aFe Power SCORCHER Module is designed to alter the pressure sensor signals to increase turbo boost to an optimum level throughout the...

Brushed 304 SS Construction: The performance down-pipe back exhaust system is constructed of 3" to 2-1/2" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion...

Emissions Disclaimer: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles...