R1 Performance Package for McLaren 650S mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216 Recommended use with RENNtech Front

Recommended use with RENNtech Front Strut Brace : 32

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

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

670 HP / 738 LB-FT

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

R1 Performance Package for McLaren 650S mercedes-benz-slk-class--171---2004-2010--slk-55-amg-esr5743216 Recommended use with RENNtech FrontR1 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