RENNtech ECU+ Upgrade | C217 | S560 | 584HP/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2021 porsche-panamera--971---2016-2024--turbo-s-sport-turismo-esr8018897 7L V8 BiTurbo) Modified Performance

7L V8 BiTurbo) Modified Performance (at crank):

RS6 (C8 4K)

Confirm If Your Car Is Equipped with Factory Exhaust Valves* - EVM will not work on vehicles without factory exhaust valves

CLASS S (W 220) 430 V8 [7 gear] [2 Filters Required] (HP: 279 | Year: 03 > 05)

RENNtech ECU+ Upgrade | C217 | S560 | 584HP/642LB-FT | 4.0L V8 BiTurbo | M176 | MY2018-2021 porsche-panamera--971---2016-2024--turbo-s-sport-turismo-esr8018897 7L V8 BiTurbo) Modified PerformanceECU+ Upgrade Up to 584 HP 642 LB FT Gains: up to +100 HP & +102 LB 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