RENNtech Stage II Turbo Upgrade | C190 | AMG GT S | 734 HP/ 633 LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017 mercedes-benz-g-class--463---1990-2018--g-65-amg-esr1373241 RENNtech ECU HHT Upgrade for

RENNtech ECU HHT Upgrade for 164 - GL 450

RENNtech ECU Upgrade for 166 - GLE 400 BiTurbo 4-MATIC SUV

RENNtech HHT ECU Upgrade for the 215 - CL 600

700rpm Note: Mercedes M177 engine performance when measured

RENNtech Stage II Turbo Upgrade | C190 | AMG GT S | 734 HP/ 633 LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017 mercedes-benz-g-class--463---1990-2018--g-65-amg-esr1373241 RENNtech ECU HHT Upgrade forIncludes Turbo Upgrade, ECU Upgrade, and Fuel System Upgrade. Gains: Up to +198 HP +138 LB FT The Mercedes GT S is the second Mercedes Benz vehicle fully developed by AMG, the companys Affalterbach based performance division and long fabled engine builder. The resulting vehicle is nothing short of spectacular and the 4. 0L V8 BiTurbo engine within is an incredible platform to build performance upon. RENNtech lightweight forged billet turbo wheels