Choose split screen mode and enter Cheater as a name for player one and "High End" as a name for player two. Press ENTER then continue to press ENTER at the remaining prompts. Then, press ESC and go to single race mode. Select a car and you will will race a truck.
Activate the following cheats by entering the corresponding codes:
CHEAT FUNCTION - CHEAT CODE All cars - fullgarage All tracks - wantstreets Repair car; will repair all cars in split-screen mode - adac Indestructible car - useshell Double weapon range, faster and automatic firing - eatlead Unlimited nitrous - needspeed Exploding traffic - goaway Disable automatic roll back onto track - wannago Unlimited wins in Patrol and single race modes (not split-screen) for ten seconds. - johnwayne