NASCAR: Dirt To Daytona Codes -

Bonus options:
The following bonuses can be unlocked during game play by doing well and getting points.

AI Vengeance: AI cars retaliate when hit.
Front Wheel Drive: Car has front wheel drive.
Hardcore Physics: Hardcore realism.
Horn Ball: Press to shoot a paintball.
Horn Mortar: Press to shoot an explosive mortar.
Insane Racecar: Press to jump.
Mini Cars: Smaller cars
Monster Cars: High suspension.
Oh Dear: One car on track replaced by monstrous-sized crew member.
Super Draft: Faster draft speed.