RENNtech Stainless Steel Sound and Performance Pipe for 212 - E 63 AMG land-rover-range-rover-sport---l320---2009-2013--5-0-supercharged-v8--aj133--esr2912296 The maximum power number reached

The maximum power number reached with the RENNtech ECU Upgrade for the AMG GT-S is 601 HP and 582 LB-FT

Up to 417HP and 446TQ

RENNtech Stainless Steel Sport Mufflers w/Eclectronic Valves for the W205 - C 63 AMG BiTurbo

R1 Performance Package for 215 - CL 65 AMG

0L V8 BiTurbo) Modified Performance (at crank):

RENNtech Stainless Steel Sound and Performance Pipe for 212 - E 63 AMG land-rover-range-rover-sport---l320---2009-2013--5-0-supercharged-v8--aj133--esr2912296 The maximum power number reachedRENNtech Stainless Steel Sound and Performance Pipes for 211 E 63 AMG. Gaines: +10HP & 15TQ Our sound and performance pipes bypass the stock Mercedes resonators for more volume and a better sound. Our sound pipe design features an X pipe to balance exhaust gas pressures and smoth out pulses to improve flow. Combined with RENNTECH's ECU software and stainless steel headers, our sound pipe upgrade produces more power in the mid to high rpm range. High