RENNtech ECU Upgrade | S 65 AMG | C217 | 6.0L BiTurbo V12 | 670HP/840LB-FT | M279 | MY2015-2019 porsche-panamera--971---2016-2024--turbo-esr5776882 RENNtech Pre-Preg Carbon Fiber Rear

RENNtech Pre-Preg Carbon Fiber Rear Diffuser for 218 - CLS Class

455 LB-FT @3

Adjustment increments: 1mm

Reduce risk of brake fluid boiling

Street-Legal and/or Non-Performance tires

RENNtech ECU Upgrade | S 65 AMG | C217 | 6.0L BiTurbo V12 | 670HP/840LB-FT | M279 | MY2015-2019 porsche-panamera--971---2016-2024--turbo-esr5776882 RENNtech Pre-Preg Carbon Fiber RearRENNtech ECU Upgrade for 217 S 65 AMG Coup. Up to 670HP and 840LB FT. Gains: +49HP & +102LB 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