RENNtech ECU+ Upgrade | X166 | GL63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo porsche-911--992---2018-present--targa-4s-esr1392676 530 HP @ 6800 RPM

530 HP @ 6800 RPM

tight fiber weave which not only looks amazing

443 LB-FT @ 2

CLASS E SW (S 210) 320 V6 4-matic (HP: 224 | Year: 97 > 99)

592 wtq @ 4

RENNtech ECU+ Upgrade | X166 | GL63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo porsche-911--992---2018-present--targa-4s-esr1392676 530 HP @ 6800 RPMECU+ Upgrade Up to 669HP 734LB FT Gains: +95HP & +111LB 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