Game Shark Codes:

Master Code "must be on"
EC8AC854 1456E79B
No car damage (in arcade mode)
4CB45A42 1456E7A5
4CB45A4A 1456E7A5
4CB45A4E 1456E7A5
4CB45A52 1456E7A5
4CB45A56 1456E7A5
4CB45A5A 1456E7A5
4CB45A5E 1456E7A5
4CB45A62 1456E7A5