RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG porsche-cayenne--9pa----1-gen--cayenne-s-esr4197557 Increasing the power output without

Increasing the power output without upgrading the OEM turbo charger may increase the chance of Turbo -failure

5L V8 BiTurbo

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

Gains: +48HP & +36TQ

Note: Mercedes M157 engine performance when measured

RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG porsche-cayenne--9pa----1-gen--cayenne-s-esr4197557 Increasing the power output withoutRENNtech 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.