RENNtech ECU+ Upgrade | W212 | E 550 | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2013 mercedes-benz-a-class--a176---2014-2018--a45-amg-esr4958388 Bentley Flying Spur Speed

Bentley Flying Spur Speed

the carbon fiber splitter features several unique design elements including strategically formed and shaped surfaces to improve airflow and enhancing the AMG GT's driving dynamics

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The Carbon Fiber Rear Wing for the Mercedes-Benz AMG GT Coupe dramatically improves rear end stability with an aggressive yet highly functional design

681 HP   736 LB-FT   X290 - AMG GT63 ECU Upgrade

RENNtech ECU+ Upgrade | W212 | E 550 | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2013 mercedes-benz-a-class--a176---2014-2018--a45-amg-esr4958388 Bentley Flying Spur SpeedECU+ Upgrade 540HP 705LB FT +105HP +262LB 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 few minutes and the vehicle can be reflashed at