RENNtech ECU Upgrade for E 550 | W212 | 402 HP / 405 LB-FT | MY2010-2011 mercedes-benz-c-class--204-sedan---2008-2014--c-63-amg-esr4188940 Since both companies are located

Since both companies are located in South Florida

10-15ft-lb

670 HP / 738 LB-FT

The headers are the perfect complement to our sound and performance exhaust and increase performance an additional +30 HP and +30 LB-FT

215 HP @ 5700 RPM

RENNtech ECU Upgrade for E 550 | W212 | 402 HP / 405 LB-FT | MY2010-2011 mercedes-benz-c-class--204-sedan---2008-2014--c-63-amg-esr4188940 Since both companies are locatedRENNtech ECU Upgrade for 212 E 550. Up to 402HP and 405LB FT. Gains: +20HP & 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 few