VIDEO: Ferrari 599 GTO Prototype Shows Some Muscle on the Fiorano Race Track

A prototype model of the Ferrari 599 covered in black cladding has been snagged on film during testing at the Fiorano circuit. We're not entirely sure if it's a test mule for a replacement of the 599 or an updated version of the current model, possibly featuring Ferrari's upcoming KERS energy-recovery system which was first shown on the Geneva Salon HY-KERS hybrid concept. In any case, the