RENNtech Porsche 997 Carrera S (3.8L DFI) ECU Upgrade (365 HP / 300 LB-FT) mercedes-benz-clk-class--208---1997-2003--clk-55-amg-esr2755074 Cayenne V6

Cayenne V6

Available in Gloss and Matte Carbon

while cruising the exhaust flaps will never fully open

5 series ONLY CHINA (F18) 535 Li (HP: 306 | Year: 10 > )

This spoiler is designed to fit any S-Class Coupé model from 2014 and up

RENNtech Porsche 997 Carrera S (3.8L DFI) ECU Upgrade (365 HP / 300 LB-FT) mercedes-benz-clk-class--208---1997-2003--clk-55-amg-esr2755074 Cayenne V6RENNtech 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