BMW F97 X3M & F98 X4M Pre-LCI Single Midpipe & Under Brace In Stainless Steel

Welcome to BMW S58 Single Mid Pipe for the BMW F97 X3M & F98 X4M pre-LCI, or in other words, the solution to the F9X sound problem. Enthusiasts have wanted to find a solution to the buzzy and raspy sound these cars produce from the factory. Since these cars were released, we all knew there was a world-class sound lying under all the rasp. Our mission has been to find this hidden sound and allow all BMW F9X owners to enjoy it. It’s time to make the X3M and X4M sound like they always should have. Features Significant power gain Extended under brace Much deeper exhaust tone and reduced rasp which is typical of the S58 100% TIG welded Highest quality 304 stainless steel OEM-spec bottom ball flanges All brackets and mounts as on OEM unit Compatible Vehicles This item fits the following BMWs: BMW X3M / Comp F97 Pre-LCI BMW X4M / Comp F98 Pre-LCI EU / OPF cars will need to turn off OPF readings when fitting this mid pipe. This can be achieved by either an ECU tune / DME unlock, or being coded out. Please contact for recommended installers The use of de-cats, sports cats and removing OPF are for off road/motorsport use only. Using these parts would inhibit your vehicle from passing a MOT test. Only EC type-approved components are legal and fit for road use.