RENNtech Porsche ECU Upgrade 997 GT3 3.8L (365 HP / 300 LB-FT) jaguar-f-type--152--s-v8--2013-2014--esr4707029 514 wtq @ 3

514 wtq @ 3

Cayenne Turbo (S)

5 V12 (W240

and RSQ8 gains up to +80 HP and 144 LB-FT

CLS 63 (C219) Stock Performance:

RENNtech Porsche ECU Upgrade 997 GT3 3.8L (365 HP / 300 LB-FT) jaguar-f-type--152--s-v8--2013-2014--esr4707029 514 wtq @ 3RENNtech Porsche ECU Upgrade 997 GT3 3. 8L. Up to 396HP and 320LB FT. Gains: +11HP & +10LB 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