Opponent Blaster

From Stunts Wiki

Opponent Blaster is a tool by Robert Riebisch that lets you to speed-up the opponents, because they are too slow to challenge any human player. The program displays the speed values (in mph) of all 6 computer drivers used in the game, so they can be easily compared to each other.

Opponent Blaster needs the unencrypted opp?.res files, that's why it works only with Stunts 1.0 version.