Stunt Race FX Cheats
Press L + R + Select during game play.
Hold L + R + Select and press Start during game play.
Complete all four Stunt Trax courses, then press Up at the course selection screen.
Control intermission sequence
Pause the game. Control the animated car by pressing L and R (brake), Y (accelerate), and Select (reverse).
Race on the Night Cruise course. Hit the wall under the StarFox sign. Go to the left or right side of the median on turn four without hitting it. StarFox will fly overhead and drop a power-up.
White Land track warp
Select the "Free Trax" option, the 2WD car, and the White Land track. Press Jump near the Stunt Race FX sign near the beginning of the race to go to the upper part of the track.
Select the "Battle Trax" option and choose cars for both players. Start the race and do not use either controller. The CPU will take over each car after three seconds.