RENNtech ECU Upgrade | G 65 AMG | W463 | 6.0L BiTurbo V12 | 670HP/740LB-FT | M279 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 +66 HP / +102 LB_FT

+66 HP / +102 LB_FT

Upgrade the look of AMG GT Black Series with RENNtech Carbon Fiber Fender Extractor Inserts

Rated by RENNtech (peak @crank):              783 HP @ 5

the factory settings do NOT allow the valves to fully open unless certain speed and/or RPM have been reached

5L V8 BiTurbo) Modified Performance (at crank):

RENNtech ECU Upgrade | G 65 AMG | W463 | 6.0L BiTurbo V12 | 670HP/740LB-FT | M279 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 +66 HP / +102 LB_FTRENNtech ECU Upgrade for 463 G 65 AMG. Up to 670HP and 740LB FT. Gains: +35HP & +104LB 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