RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017 porsche-cayenne--9ya---2018-present--cayenne-gts--my2020---esr5567788 a few minor inconsistencies and

a few minor inconsistencies and differences between parts is possible

Gains: +49HP & +102LB-FT

2 (HP: 250 | Year: 03 > 07)

GLC63 AMG 4MATIC+ (MY2016+ | W253 | M177 | 4

000rpm range for TQ

RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017 porsche-cayenne--9ya---2018-present--cayenne-gts--my2020---esr5567788 a few minor inconsistencies andECU+ Upgrade Up to 601HP 582LB FT Gains: +65HP & +87LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. 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