RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG porsche-cayenne--9pa----1-gen--cayenne-s-esr4197557 5L V8 BiTurbo

5L V8 BiTurbo

Note: Mercedes M157 engine performance when measured

The EVM will ONLY revert to factory setting by pressing Button 2

and improved throttle reponse

preventing leaks of fluids like oil

RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG porsche-cayenne--9pa----1-gen--cayenne-s-esr4197557 5L V8 BiTurboRENNtech Stainless Steel Sound and Performance Pipes for 221 S 63 AMG. Gaines: +10HP & 15TQ Our performance and sound pipes with integrated x pipe bypass the stock Mercedes resonators for more volume and a better sound. Combined with RENNTECH's ECU software and stainless steel headers, the sound pipe produces more power in the mid to high rpm range. High strength 304 stainless steel construction ensures lasting quality and a rich, consistent sound.