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1 sec 136 mph *If not otherwise noted
up to 285HP
With the proprietary RENNtech ECU Upgrade the R172 - SLC 43 AMG gains up to +41 HP and +62 LB-FT
RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle's entire power band
RENNtech Porsche 997 Carrera S (3.8L DFI) ECU Upgrade (365 HP / 300 LB-FT) ferrari-california--2008-2017--esr8078893 1 sec 136 mph *IfRENNtech 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