RENNtech R2 Perfomance Package | GT 63 (S) AMG | X290 | 803 HP / 818 TQ | 4.0L V8 BiTurbo | M177 | MY2019+ mercedes-benz-s-class--223---2021-present--s63-amg-e-performance-esr1740734 Professional installation is recommended

Professional installation is recommended

Note: We have found the new M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

Our mufflers with 2 3/4 inch diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure

The full package of aero parts for the AMG GT R includes Front Canards

RENNtech R2 Perfomance Package | GT 63 (S) AMG | X290 | 803 HP / 818 TQ | 4.0L V8 BiTurbo | M177 | MY2019+ mercedes-benz-s-class--223---2021-present--s63-amg-e-performance-esr1740734 Professional installation is recommendedR2 Performance Package for AMG GT63 4 Door Coupe: ECU Upgrade (HHT), Performance Mufflers, Carbon Fiber Airboxes, BOV, EVM, BMC Air Filters The Mercedes AMG GT63 4 Door Coupe (X290) is powered by the latest V8 BiTurbo engine 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.