R1 Performance Package for CLK 63 Black Series (C209- 549 HP / 495 LB-FT) mercedes-benz-s-class--222---2014-2017--s-650-maybach-esr6258788 Gains: +100 HP & +103

Gains: +100 HP & +103 LB-FT

These parts were designed and engineered in house by RENNtech and are fully functional components that feature unmistakably unique styling for the SLS AMG

637 wtq @ 3

The RENNtech Sport Muffler System for the W205 - C 63 AMG Sedan comes with an integrated valve system and utilizes the electronic OEM actuators

SL 55 (R230) Stock Performance:

R1 Performance Package for CLK 63 Black Series (C209- 549 HP / 495 LB-FT) mercedes-benz-s-class--222---2014-2017--s-650-maybach-esr6258788 Gains: +100 HP & +103R1 Performance Package for 209 CLK 63 AMG Black Series. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 549HP and 495 LB FT. Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +42 HP and +25 TQ over stock. CLK 63 BLACK SERIES (W209) Stock Performance: 507 HP @ 6800 RPM; 470 LB FT @ 5250 RPM Modified Performance: a 549 HP @ 6800 RPM; 495 LB FT @ 5200 RPM