RENNtech Porsche 997 GT2 ECU Upgrade (523 HP / 560 LB-FT) mercedes-benz-s-class--s222---2014-2017--s65-amg-biturbo-4matic-esr7187941 Dawn 2015 – 2022 (present)

Dawn 2015 – 2022 (present)

Up to 396HP and 320LB-FT

0 TPMS Compatible OEM tire size compatible Front: Style: RTS Size: 19" x 10" Weight: Construction: 1-piece Forged Tire Size: 275/35/19 Rear: Style: RTS Size: 19" x 10

GLS 450 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Modified Performance:

RENNtech Porsche 997 GT2 ECU Upgrade (523 HP / 560 LB-FT) mercedes-benz-s-class--s222---2014-2017--s65-amg-biturbo-4matic-esr7187941 Dawn 2015 – 2022 (present)RENNtech Porsche 997 GT2 ECU Upgrade. Up to 562HP and 575LB FT. Gains: +40HP & 74LB 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