RENNtech ECU Upgrade | C205 | C 43 AMG | Coupe | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 porsche-911--991-2---2015-2019--gt3-rs--opf--esr3026764 7L V8 BiTurbo) Modified Performance:

7L V8 BiTurbo) Modified Performance:

4-Corner adjust ability up to 1

The function of the brake duct is to direct airflow to the center of the brake assembly

which make these Ingolstadt machines even more attractive on all fronts

RENNtech ECU Upgrade | C205 | C 43 AMG | Coupe | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2023 porsche-911--991-2---2015-2019--gt3-rs--opf--esr3026764 7L V8 BiTurbo) Modified Performance:The RENNtech ECU Upgrade brings the C 43 AMG Coupe up to 400 HP and 440 LB FT Gains: +25 HP and +42 LB FT. RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU.