Supercar Street Challenge

At the car selection screen, press Circle, Square, L1, R2, Right, Left, Up.

Quickly press Up(2), Down(2), Left, Right, Left, Right, Square, X at the car selection screen.

Take the shortcut on LA Long. As soon as you go on the river, turn around and go to the pipes. Inside the first pipe are monster eyes.

Beat a championship race with a class C drift car (i.e., Pickster) to unlock the C12.