All cars and trophies
Press L1, R1, Left, Right, Left, Right, Up, Down, Up, Down, X, X + Select at the game progress screen. Then, highlight the empty square and press X to unlock the car and trophy.

Fast Acceleration
Enter your name as LDN

Hidden tracks
Enter these codes in the name box. you must quit and start a new race to change. After entering the code choose your car, select time trial from the game mode screen, go to Corsica and chose any course. You will be on a track you have never done before. It may not be on tarmack.

Hidden track 1:CBLC
Hidden track 2:CBLCA
Hidden track 3:CBLCB
Hidden track 4:CBLCC
Hidden track 5:CBLCD

Super jumps
For high flying mode, enter _FLY_ in the name box. Remember the space before and after. Now, everytime you hit a jump, you will be launched twice as high.