RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 porsche-panamera--971---2016-2024--gts-esr8110027 836 LB-FT @ 3500 RPM

836 LB-FT @ 3500 RPM

700rpm Note: Mercedes M177 engine performance when measured

Our rear diffuser is the companion component to the front splitter and functions to decrease drag and increase down force by improving the underbody airflow and its transition to ambient air

our carbon airbox upgrade allows for greater horsepower and torque across the entire RPM range

F-Type R V8

RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 porsche-panamera--971---2016-2024--gts-esr8110027 836 LB-FT @ 3500 RPMECU+ Upgrade Up to 659HP 614LB FT Gains: +84HP & +93LB 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