RENNtech ECU Hand Held Tuner (HHT) for SLK 32 AMG (SLK 170) porsche-911--997-1---2004-2008--gt3-rs-esr8174740 huge weight savings and a

huge weight savings and a performance gain of 26 Hp and 33 Lb/Ft

Narrow & Tall Design Fits more cup holders

CPC Upgrade

The Euro-Style Bumper Insert is easy to install and uses factory fasteners in the existing holes of the OEM part

The maximum power number reached with the RENNtech ECU Upgrade for the GT 63 AMG S 4-Door Coupe is 783 HP and 798 LB-FT

RENNtech ECU Hand Held Tuner (HHT) for SLK 32 AMG (SLK 170) porsche-911--997-1---2004-2008--gt3-rs-esr8174740 huge weight savings and aRENNtech 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 any time as many times as you wish. The