RENNtech Porsche 997.2 Turbo (3.8L) ECU Upgrade (500 HP / 480 LB-FT) bmw-7-series--e66---2001-2008--esr3332914 GTC 4 Lusso

GTC 4 Lusso

Owners can also plan and budget for additional modifications

RENNtech | 190 - AMG GT / S / C / R | Rollbar Roll Cage

533 LB-FT @ 5200 RPM

R1 Performance Package for 463 - G 500

RENNtech Porsche 997.2 Turbo (3.8L) ECU Upgrade (500 HP / 480 LB-FT) bmw-7-series--e66---2001-2008--esr3332914 GTC 4 LussoRENNtech 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