RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014 aston-martin-vantage-v12--my2017---esr8494055 rolled on spools

rolled on spools

AMG E63  (MY 2017-21) | W213 | M177 | 4

The diffuser assembly also features a unique acrylic coating process which protects the carbon fiber from any harmful UV and humidity degradation

This system

RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014 aston-martin-vantage-v12--my2017---esr8494055 rolled on spoolsECU+ 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