R1 Performance Package for McLaren 650S mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216 5 Series TOURING (F11) 535

5 Series TOURING (F11) 535 i/Xdrive (HP: 306 | Year: 10 >)

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

the craftsmanship and coating finish on the system is a joy to behold

670 HP / 738 LB-FT

017 HP and 871 LB-FT @ crank with 100 Octane Fuel

R1 Performance Package for McLaren 650S mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216 5 Series TOURING (F11) 535R1 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