RENNtech ECU Upgrade E 550 | C207 | 402 HP / 405 LB-FT | MY2010-2011 audi-tt-rs--8j---2006-2014--2-5l-tfsi-i5-esr1470129 9 Mercedes Seven Speed Transmissions

9 Mercedes Seven Speed Transmissions for CLS- and E-Class

8 at 5650 rpm 360

Includes ECU Upgrade and Long Tube Header

Lowering Range: 20-40mm Front / 10-20mm Rear (with adjustable links)

and produces a head-turning “wow factor” for passersby

RENNtech ECU Upgrade E 550 | C207 | 402 HP / 405 LB-FT | MY2010-2011 audi-tt-rs--8j---2006-2014--2-5l-tfsi-i5-esr1470129 9 Mercedes Seven Speed TransmissionsRENNtech ECU Upgrade for 207 E 550. Up to 402HP and 405 LB FT. Gains: +20HP & 14 LB 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