R2 Performance Package for CLK 63 (C209- 554 HP / 523 LB-FT) mercedes-benz-slk-class--172---2011-2020--slk-55-amg-esr4729687 Gains: Up to +164HP |

Gains: Up to +164HP | +88LB-FT

CLK 430 (W208) Stock Performance:

5 Series (E60) 525 i/Xi (HP: 218 | Year: 07 > 10)

About: Transmission Control Unit (TCU) -upgrade is engineered for faster and more firm shifts while increasing the torque capacity of the AMG SPEEDSHIFT DCT 7G transmission

RENNtech Stainless Steel Exhaust Headers for M113 - 55 AMG Engines

R2 Performance Package for CLK 63 (C209- 554 HP / 523 LB-FT) mercedes-benz-slk-class--172---2011-2020--slk-55-amg-esr4729687 Gains: Up to +164HP |R2 Performance Package for 209 CLK 63 AMG. Includes ECU Upgrade and Carbon Fibre Air Box. Up to 554HP and 523LB FT. RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless steel headers for a gain of +76 HP and +58 TQ over stock. Performance Package 2 Includes: RENNtech ECU Upgrade Full Carbon Fiber Airbox 82mm Throttle Body Kit Stainless Steel Headers