RENNtech Stainless Steel Sound and Performance Pipe for 212 - E 63 AMG mercedes-benz-cl-class--216---2007-2014--cl-550-esr7736410 R3 Performance Package for Mercedes-AMG

R3 Performance Package for Mercedes-AMG GT63 (S) 4-Door Coupe: ECU Upgrade (HHT)

Up to 620HP and 522LB-FT

CLASS C SW (S 204) 280 V6 [2 Filters Required] (HP: 231 | Year: 08 > 09)

CLK 500 (W209) Stock Performance:

RENNtech Stainless Steel Sound and Performance Pipe for 212 - E 63 AMG mercedes-benz-cl-class--216---2007-2014--cl-550-esr7736410 R3 Performance Package for Mercedes-AMGRENNtech 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