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 335i Limousine

335i Limousine

Throttle response is also significantly improved

450 LB-FT @ 2

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

The TCU upgrade is designed to handle the increased power in a safe and efficient way

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 335i LimousineR2 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