Geniune BMW O-Ring for N54/N55/S55 Throttle Body Flange (Charge Pipe) f01 we incorporate a flex section

we incorporate a flex section into our downpipe

We use a 200 cell metallic core for our Sports Series High Flow Catted Downpipes

Through 3 years of development and testing

limp mode just like before

we would often see a large portion of the intercooler fins bent (killing efficiency) and fixing them after each event was quite tedious

Geniune BMW O-Ring for N54/N55/S55 Throttle Body Flange (Charge Pipe) f01 we incorporate a flex sectionGenuine BMW O Ring (Part #13717568031). For use on throttle body flange on the main charge pipe. When the factory charge pipe fails, it usually sends the factory o ring flying off and lost in the engine bay. For N54, N55 and S55 Engines.