R2 Performance Package | W204 | C 63 AMG Black Series | 554 HP / 523 LB-FT | 6.3L V8 N/A | M156 mercedes-benz-sl-class--231---2012-2016--sl-550-biturbo-esr8160914 increasing the engine's rev limiter

increasing the engine's rev limiter and modifying boost mapping for turbo-charged vehicles

4 Carrera [Full Kit] (HP: 350 | Year: 11 >)

the BMW with the Slip-On Line and Evolution link pipe set is as beautiful as it is powerful

801 LB-FT @ 3

450 LB-FT @ 2

R2 Performance Package | W204 | C 63 AMG Black Series | 554 HP / 523 LB-FT | 6.3L V8 N/A | M156 mercedes-benz-sl-class--231---2012-2016--sl-550-biturbo-esr8160914 increasing the engine's rev limiterR2 Performance Package for 204 C 63 AMG Black Series. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body and Stainless Steel Headers. 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 +44 HP and +66 TQ over stock. Performance Package 2 Includes: RENNtech ECU Upgrade Full Carbon