RENNtech Porsche 997.2 Turbo S ECU Upgrade (565 HP / 560 LB-FT) porsche-911--997-1---2004-2008--gt3-esr8805972 About: Transmission Control Unit (TCU)

About: Transmission Control Unit (TCU) -upgrade is engineered for faster and more firm shifts while increasing the torque capacity of the AMG SPEEDSHIFT DCT 7G transmission

Note: Mercedes M276 engine performance when measured obtains higher numbers that rated from factory

If your vehicle is equipped with factory exhaust valves

7L V8 BiTurbo) Modified Performance:

Audi S8 (D3/4E)

RENNtech Porsche 997.2 Turbo S ECU Upgrade (565 HP / 560 LB-FT) porsche-911--997-1---2004-2008--gt3-esr8805972 About: Transmission Control Unit (TCU)RENNtech Porsche 997. 2 Turbo (3. 8L) ECU Upgrade. Up to 550HP and 575LB FT. Gains: +50HP & +95LB FT Our proprietary Porsche ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our proprietary