RENNtech ECU+ Upgrade | C190 | AMG GT R | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 mercedes-benz-s-class--221---2007-2013--s-63-amg-esr7422703 Rated by RENNtech: 609 HP

SKU: 43001765509

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RENNtech ECU+ Upgrade | C190 | AMG GT R | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178 mercedes-benz-s-class--221---2007-2013--s-63-amg-esr7422703 Rated by RENNtech: 609 HPECU+ Upgrade Up to 659HP 614LB FT Gains: +50HP & +73LB 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

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