Ferrari-599XX

599XX  based on 599 GTB  is a car designed for track use only and is not street legal. The rev limiter is raised to 9000 rpm  with the engine rated for 730 PS (540 kW; 720 hp) at 9000 rpm.
Weight is reduced by reducing the weight of the engine unit components  the use of composite materials  and the use of carbon-fiber body parts and brake pads. A new gearbox shift strategy is introduced to cut overall gear change time to 60 ms. Aerodynamics were retuned to give more downforce (280 kg (617 lb) at 200 km/h, 630 kg (1,389 lb) at 300 km/h). The car also includes 29/67 R19 front and 31/71 R19 rear tyres with 19 × 11J wheel rims at the front and 19 × 12J at the rear.
It weighs 35 kg less than a standard 599XX and has slightly improved peak power (740 bhp) and torque (700 Nm). One of the key features of the Evoluzione is its active rear wing which can adjust automatically to provide increased cornering performance.