RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG audi-rs3--8p---2006-2012--2-0l-tfsi-esr9413817 light weight components compensate for

light weight components compensate for turbo lag despite their increased size

384 lb-ft @ 1

Up to 540HP and 705 LB-FT

Rated by RENNtech:               601 HP @ 5

Matching the RENNtech CPC tune to third party ECU maps requires additional steps

RENNtech Stainless Steel Sound and Performance Pipe for 221 - S 63 AMG audi-rs3--8p---2006-2012--2-0l-tfsi-esr9413817 light weight components compensate forRENNtech 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.