RENNtech R3 Pkg | C190 | AMG GT S | 734 HP / 633 LB-FT | 4.0L V8 BiTurbo | M178 | MY2018+ porsche-911--992---2018-present--carrera-s---cabriolet-esr6132227 Stage II Turbo Upgrade: RENNtech

Stage II Turbo Upgrade: RENNtech lightweight forged billet turbo wheel features a larger-than stock impeller (inlet side) and an increase in the turbine trim (exhaust side)

Please note:  Our airbox for the M157 will require modification to the OEM engine cover

Mid-range gains are higher in some places than the peak stated figures as can be seen in the graphs

The two-piece carbon fiber side skirts are finished in a high gloss UV protectant clear coat

Rated by RENNtech:               635 HP @ 5

RENNtech R3 Pkg | C190 | AMG GT S | 734 HP / 633 LB-FT | 4.0L V8 BiTurbo | M178 | MY2018+ porsche-911--992---2018-present--carrera-s---cabriolet-esr6132227 Stage II Turbo Upgrade: RENNtechR3 includes: ECU Upgrade, BOV Adapters, High Flow Air Filters, Stainless Steel Downpipes, Stage II Turbo Upgrade and Fuel System Upgrade Gains: + 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