RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 mercedes-benz-cla-class--118---2020-present--cla-250-esr6895269 992 | GT3 Touring

992 | GT3 Touring

engineered and manufactured in the USA using only industry leading materials to ensure long lasting durability and appearance

981 Boxster S

The RPM comes with a bypass that can be installed in place of the module for quickly turning the vehicle back to stock

For transparency and comparability

RENNtech ECU+ Upgrade | C190 | AMG GT C | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 | MY2018-2021 mercedes-benz-cla-class--118---2020-present--cla-250-esr6895269 992 | GT3 TouringECU+ 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