Street Racer

Bonus tracks:
Select "Custom Cup Setup" on the game options screen. Press L, R, L, R, X, Y on the custom cup screen. Tracks 21 through 24 are now selectable.

Customized driver:
Begin a new game, press X, Y, X, Y, X, Y, and hold X on the driver selection screen. Use the D-pad while X is held to change the statistics.