RENNtech ECU Upgrade for E 550 | W212 | 402 HP / 405 LB-FT | MY2010-2011 porsche-911--996---1997-2005--turbo-esr2051690 For: AMG GT (C/R190) and

For: AMG GT (C/R190) and AMG C63 (W/C 205)

sound and throttle response across the vehicles entire powerband

The R3+ Performance Package was developed and tested running on standard 93 octane gas and 100 octane race fuel

0L V8 BiTurbo EQ Boost) Modified Performance:

RENNtech ECU Upgrade for E 550 | W212 | 402 HP / 405 LB-FT | MY2010-2011 porsche-911--996---1997-2005--turbo-esr2051690 For: AMG GT (C/R190) andRENNtech ECU Upgrade for 212 E 550. Up to 402HP and 405LB FT. Gains: +20HP & 14LB 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