RENNtech ECU+ Upgrade | C190 | AMG GT | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2016-2017 porsche-cayenne--9ya---2018-present--cayenne-turbo-s-e-hybrid--2019-2023--esr9445743 CLASS S (W 220) 500

CLASS S (W 220) 500 V8 [5 gear] [2 Filters Required] (HP: 306 | Year: 98 > 03)

RENNtech’s one piece front splitter flows seamlessly into the front apron and is a simple

Includes Upgraded Turbos

CLASS S LONG (W 221) 400 HYBRID [2 Filters Required] (HP: 279 | Year: 09 >)

RENNtech ECU+ Upgrade | C190 | AMG GT | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2016-2017 porsche-cayenne--9ya---2018-present--cayenne-turbo-s-e-hybrid--2019-2023--esr9445743 CLASS S (W 220) 500ECU+ Upgrade Up to 601HP 582LB FT Gains: +95HP & +131LB 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