RENNtech ECU+ Upgrade | W212 | E63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 rpm RENNtech ECU Upgrade for 230

RENNtech ECU Upgrade for 230 - SL 550

The pre-impregnated (prepreg) fiber method creates stiffer

RENNtech Coilover Suspension for the C205 - C63 /S AMG Coupe

CLK COUPE' (C 209) 63 AMG [2 Filters Required] (HP: 481 | Year: 06 > 09)

Gains: +39HP & +20LB-FT

RENNtech ECU+ Upgrade | W212 | E63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 rpm RENNtech ECU Upgrade for 230ECU+ Upgrade Up to 669HP 734TQ Gains: +119HP +190TQ 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