RENNtech Stainless Steel Sound and Performance Pipe for 211 - E 55K AMG and 63 AMG audi-s6--c7---2012-2018--4-0l-v8-esr4439198 1 sec 136 mph *If

1 sec 136 mph *If not otherwise noted

and Inconel straight tubes

RENNtech T-304 stainless steel (SS) sport mufflers delivers performance and sound that keeps with the sporty character of the AMG SL and AMG GT series

Akrapovic Evolution Line (Titanium) Audi RS 7 Sportback (C7) 2015

RENNtech Stainless Steel Sound and Performance Pipe for 211 - E 55K AMG and 63 AMG audi-s6--c7---2012-2018--4-0l-v8-esr4439198 1 sec 136 mph *IfRENNtech Stainless Steeel Sound and Performance Pipes for 211 E 55K AMG and 63 AMG. Gaines: +10HP & 15TQ Our performance and sound pipes bypass the stock Mercedes resonators for increased exhaust gas flow, reduced back pressure and improved sound. Combined with RENNTECH's ECU software and stainless steel headers, our sound pipe produces noticable gains and improved power in the mid to high rpm range. High strength T 304 stainless steel construction