R2 | Performance Package | C205 - C63 /S AMG | 709 HP / 638 LB-FT | 4.0L V8 BiTurbo | M177 porsche-911--997-1---2004-2008--gt-2-esr5058826 RENNtech Carbon Fiber Rear Decklid

RENNtech Carbon Fiber Rear Decklid Spoiler | C205 - C-Class Coupe

If the stock system already has integrated exhaust valves

CLASS S LONG (W 221) 500 Blue Efficiency 4-matic [2 Filters Required] (HP: 435 | Year: 11 > )

Sport Mufflers | Gains: +153HP

R2 | Performance Package | C205 - C63 /S AMG | 709 HP / 638 LB-FT | 4.0L V8 BiTurbo | M177 porsche-911--997-1---2004-2008--gt-2-esr5058826 RENNtech Carbon Fiber Rear DecklidR1 Pkg includes: ECU Upgrade, Sport Muffler, BOV Adapter, High Flow Air Filter, Fuel System Upgrade, Stage I Turbocharger Upgrade. Gains: Up to +164 HP +88LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible