RENNtech ECU Hand Held Tuner (HHT) for CLK 55 C209 | 380 HP / 395 LB-FT | MY2003-2006 porsche-cayenne--92a---2011-2018--turbo-s-esr3230433 CLASS S LONG (W 221)

CLASS S LONG (W 221) 63 AMG Performance [2 Filters Required] (HP: 544 | Year: 10 > )

836 LB-FT @ 3500 RPM

This product is designed to fit the R190 - AMG GT Black Series

This highly integrated prepreg carbon fiber spoiler compliments the sophisticated and refined CL exterior design language

Gains: +28HP & +16LB-FT

RENNtech ECU Hand Held Tuner (HHT) for CLK 55 C209 | 380 HP / 395 LB-FT | MY2003-2006 porsche-cayenne--92a---2011-2018--turbo-s-esr3230433 CLASS S LONG (W 221)RENNtech ECU HHT (HandHeldTuner) for the 209 CLK 55 AMG. Up to 380HP and 395 LB FT LB FT. Gains: +18HP & +17LB 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.