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RENNtech SLR package 2 contains our proprietary ECU
This translates into a noticeable gain in both overall performance and throttle response with a performance increase of 11hp & 8 lb/ft
+125 HP / +166 LB-FT
Rated by RENNtech (peak @wheel): 658 whp @ 5
RENNtech Porsche 997 Carrera (3.6L DFI) ECU Upgrade (365 HP / 300 LB-FT) renntech-merchandise RENNtech SLR package 2 containsRENNtech Porsche 997 Carrera (3. 6L DFI) ECU Upgrade. Up to 365HP and 300LB FT. Gains: +20HP & +12LB 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
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