Koenigsegg CCX

Koenigsegg CCX is a mid-engined sports car built by Koenigsegg Automotive AB. The project began with the aim of making a global car  designed and engineered to comply with global safety and environment regulations.
The modifications to the engine increase the power of the CCX Edition to 888 PS (653 kW; 876 hp) and 940 N·m (693 lb·ft) of torque.
there is 60 kg of downforce over the front axle and 65 kg over the rear. The car is 88 mm (3 in) longer to comply with the  rear impact regulations and to free space around the rear muffler. On the interior side  there is 51 mm (2 in) of extra headroom as well as specifically designed  carbon fiber seats.