Super Drag Race

In this drag race game your only mission is to upgrade your cars, drive quarter mile (402metres) drag races against AI opponents and earn money to upgrade car more faster and better. Player can select car from start of game. There are 5 different sport cars. Player can tune their car like buying better engine, tires, transmission etc. Also player can paint car with different colors. Buying better parts also makes AI opponent more harder. So can you be the king of streets and drive under 5 seconds times?