RENNtech Stage II Turbo Upgrade Package | X290 | GT 63 (S) AMG | 1,017 HP / 871 LB-FT | 4.0L V8 BiTurbo | M177 | MY2019+ mercedes-benz-slk-class--171---2004-2010--slk-350-esr6719359 The vast amount of increased

The vast amount of increased torque across the entire RPM range gives the 550 an extra edge to compete with AMG powered vehicles

The RENNtech Stage II Turbo Upgrade comes with an RENNtech ECU Upgrade and the RENNtech Fuel System Upgrade

Gains: +16HP & +20LB-FT

Each system comes complete with the carbon central cover

Rated by RENNtech:              601 HP @ 6

RENNtech Stage II Turbo Upgrade Package | X290 | GT 63 (S) AMG | 1,017 HP / 871 LB-FT | 4.0L V8 BiTurbo | M177 | MY2019+ mercedes-benz-slk-class--171---2004-2010--slk-350-esr6719359 The vast amount of increasedIncludes Upgraded Turbos, ECU Upgrade, upgraded CPC Unit and Fuel System Upgrade. Gains: Up to +336HP +137LB FT The Mercedes X290 GT 63 (S) AMG 4 Door Coupe comes with the newest engine fully developed by AMG, the companys Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4. 0L V8 BiTurbo engine is an incredible platform to build performance upon. In addition to that, the all new