RENNtech Porsche 997 Carrera (3.6L DFI) ECU Upgrade (365 HP / 300 LB-FT) mercedes-benz-s-class--222---2014-2017--s500-maybach-esr3807363 220 - S 55 AMG

220 - S 55 AMG Kompressor

3 at 5850 rpm + 20

The Official RENNtech Motorsport Hoodie

Slip-On used with an optionally supplied titanium header set is a must for everyone who wants to get more enjoyment from their automobile

RENNtech performance software unleashes the true potential of your Mercedes

RENNtech Porsche 997 Carrera (3.6L DFI) ECU Upgrade (365 HP / 300 LB-FT) mercedes-benz-s-class--222---2014-2017--s500-maybach-esr3807363 220 - S 55 AMGRENNtech 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