RENNtech | HHT | ECU Upgrade | SLS AMG | C197 | 593HP/495LB-FT | 6.3L V8 N/A | M159 mercedes-benz-glb-class--247---2020-present--glb-35-amg-esr9030634 RENNtech Pre-Preg Carbon Fiber Rear

RENNtech Pre-Preg Carbon Fiber Rear Deck Lid Spoiler for the 221 - S Class

686 awtq @ 3

Crank Performance Numbers are calculated with a 14% Drivetrain loss on RWDvehicles

5L Supercharged) Modified Performance:

RENNtech | HHT | ECU Upgrade | SLS AMG | C197 | 593HP/495LB-FT | 6.3L V8 N/A | M159 mercedes-benz-glb-class--247---2020-present--glb-35-amg-esr9030634 RENNtech Pre-Preg Carbon Fiber RearRENNtech HHT ECU Upgrade for 197 SLS AMG. Up to 593HP and 495LB FT. Gains: +30HP & +14LB FT 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 directly to the ECU. Programming takes only a