R1 Performance Package for McLaren 650S mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216 fender extractors

fender extractors

CLASS E (W 211) 320 V6 [2 Filters Required] (HP: 224 | Year: 02 > 05)

Crank Performance Numbers are calculated with a 14% Drivetrain loss for all wheel drive vehicles

The maximum power number reached with the RENNtech ECU Upgrade for the AMG GT R is 659 HP and 614 LB-FT

R1 Performance Package for McLaren 650S mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216 fender extractorsR1 Performance Package for the McLaren 650S. Includes RENNtech ECU Upgrade and Akrapovic Slip On Titanium Exhaust System. 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