Subscribe! http://bit.ly/SubscribeToMarchettino - I have filmed a pack of Ferrari FXXKs during a private Ferrari Corse Clienti event held at Mugello Circuit. I moved around the track to film them in action from different points of the track, pretty impressive to see them braking hard! Facebook: http://on.fb.me/Marchettino Instagram: https://instagram.com/marchettino Twitter: http://twitter.com/MarchettinoYT