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 the majority of the exhaust

the majority of the exhaust gases route through the muffler bypass outlets

017 HP and 873 LB-FT @ crank with 100 Octane Fuel

117 - CLA 45 AMG and 156 - GLA 45 AMG

300 RPM Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles

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 the majority of the exhaustRENNtech 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