RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014 aston-martin-vantage-v12--my2017---esr8494055 which go far beyond everyday

which go far beyond everyday driving conditions

Virtually no lag with impressive throttle response

Low Bracket Profile SKU: 88

Carrera GTS Cabriolet

Mercedes-Benz S560 Sedan (MY2018+ | W222 | M176 | 4

RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014 aston-martin-vantage-v12--my2017---esr8494055 which go far beyond everydayECU+ Upgrade 540HP 705LB FT Gains: +105HP +262LB 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. Programming takes only a few minutes and the vehicle can be