RENNtech Porsche 997 Carrera S (3.8L DFI) ECU Upgrade (365 HP / 300 LB-FT) porsche-cayenne--9ya---2018-present--po536--340ps--esr1935525 but a dramatically larger

but a dramatically larger

Performance BMC air filters are designed and produced to ensure a higher air flow than original paper filters

though our proprietary tuning software and approach for Porsche is completely unique and independent from our Mercedes tuning program

Continental GT Speed (MY2021+)

this special package includes the RENNtech T-304 stainless steel (SS) sport mufflers which are 100% hand made in the USA

RENNtech Porsche 997 Carrera S (3.8L DFI) ECU Upgrade (365 HP / 300 LB-FT) porsche-cayenne--9ya---2018-present--po536--340ps--esr1935525 but a dramatically largerRENNtech Porsche 997 Carrera S (3. 8L DFI) ECU Upgrade. 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