Unlimited time
Hold [R1] + [R2] + [Circle] at the title
screen. The sound of an engine will confirm correct code entry.
Reversed tracks
Enter practice mode, then select a track, car, and
transmission. Turn around and drive in the opposite direction
when the race begins. You will be placed in first place after
passing the first check point. The other cars will eventually
turn and follow. Three new tracks may be raced by this method.