McLaren 650S at Monza circuit

During a private McLaren trackday called 'Pure McLaren' at Monza circuit, I have filmed the new 2014 McLaren 650S start up its 3.8 liter twin turbo V8 engine and then doing some revs, accelerations and fly bys on track. Not to mention that in this video you can see four of them, in three different color schemes >> http://www.youtube.com/watch?v=EsbANKRRuGc