Ultimate Aero, the car produced by Shelby SuperCars was World’s Fastest Production Car last year and in 2009 they are going to release an improved version of this ride. The 2009 Ultima Aero has a 15% increase in horsepower, a new front face design and a lot of interior upgrades. Probably the most important modification is an engine block designed by the guys from Shelby SuperCars which will improve the structural integrity and oiling capabilities allowing this car to deliver an amazing 1287 HP while improving durability. With this incredible engine the car should reach a record world speed of 434 km/h and will push the super car limits even higher.