RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG porsche-cayenne--9pa----1-gen--cayenne-s-esr4197557 The EVM will ONLY revert

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

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

Note: Mercedes M157 engine performance when measured

8 HP @7350 rpm

RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG porsche-cayenne--9pa----1-gen--cayenne-s-esr4197557 The EVM will ONLY revertRENNtech 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.