RENNtech Porsche 997 Turbo ECU Upgrade (523 HP / 560 LB-FT) porsche-911--996---1997-2005--turbo-esr2051690 CLASS C SW (S 203)

CLASS C SW (S 203) 230 Kompressor 2

The maximum power number reached with the RENNtech ECU Upgrade for the AMG GT is 601 HP and 582 LB-FT

The maximum power number reached with the RENNtech ECU Upgrade for the AMG GT Black Series is 843 HP and 739 LB-FT

but a dramatically larger

RENNtech Porsche 997 Turbo ECU Upgrade (523 HP / 560 LB-FT) porsche-911--996---1997-2005--turbo-esr2051690 CLASS C SW (S 203)RENNtech Porsche 997 Turbo ECU Upgrade. Up to 523HP and 560LB FT. Gains: +50HP & 103LB 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 tuning