RENNtech ECU Upgrade CLK 430 W208 | 285 HP / 307 LB-FT | MY1999-2002 porsche-cayenne--9pa----1-gen--3-2-l-naturally-aspirated-v6-esr6990693 6 at 5850 rpm +

6 at 5850 rpm + 28

SLC 43 AMG Coupe (R172 | M276 | 3

Made exclusively for the Porsche GT3

allowing them to ignite the fuel-air mixture

PBIR Dragstrip 2

RENNtech ECU Upgrade CLK 430 W208 | 285 HP / 307 LB-FT | MY1999-2002 porsche-cayenne--9pa----1-gen--3-2-l-naturally-aspirated-v6-esr6990693 6 at 5850 rpm +RENNtech ECU Upgrade for 208 CLK 430, up to 285HP, 307LB FT. Gains: +10HP & 12LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software