The following are known Action Replay Codes for Impact Racing on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Infinite Ammo
800304f60000
8003032e0000
800302160000
800307e60000
800337720000

Laser Coolant
800b86340000