BMW S55 M3 F80 / M4 F8x ALPHA Single Midpipe F83 We offer a wide selection

We offer a wide selection of OTS maps for the S55 engine suitable for many different vehicle modifications and octane levels

Initial exhaust solutions focused on correcting this variance in the space behind the differential housing with one complaint being the inability to keep existing rear exhaust systems

without any unwanted drone and making it suitable for everyday use

0 turbomotor in de Toyota Supra

BMW S55 M3 F80 / M4 F8x ALPHA Single Midpipe F83 We offer a wide selection***NOT IN STOCK + 60DAYS*** This Alpha Competition kit, consisting of 3. 5" 89mm and 2x 2. 75" 70mm diameter stainless steel front and middle exhaust pipes, fits without modification from the downpipes to the rear silencer on the BMW M3 F80 and M4 F8x to eliminate the restrictive stock resonators and particulate filters on GPF equipped models. Providing an aggressive sound and a significant power gain due to the release of the exhaust, this Alpha