Press Square(2), Up, Right, Down, Left, L2, R2, L1, R1 at the main menu.
Quickly press Circle, Square, L1, R2, Right, Left, Up at the car selection screen.
Furasshu, sama car:
Quickly press Up(2), Down(2), Left, Right, Left, Right, Square, X at the car selection screen. Alternately, quickly press Up(2), Down(2), Left, Right, Left, Right, X, Circle, Select, Start. Note: This cannot be done in versus mode.
Alternate car colors:
Enter the car customization screen, then highlight the "Change Color" option. Then, press Up, Right, Down, Left, Triangle, Circle, X, Square.
Complete all classes in all championships. Create a car and enter Fusshusama as a name and Bye Seya as a team name.
LA Long: Monster eyes:
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.