Turbo mode option:
Hold Circle and press Up, Left, Down, Right at the options screen. A new option that increases the game's frame rate will appear at the bottom of the screen.

Pinnacle Trading Cards car:
Select exhibition mode. Highlight Bobby Labonte's car on the car selection screen, then hold X and press Up, Down.

Waving driver:
Select the view in which the driver and steering wheel are visible. Then, hold Triangle until the driver waves.

EA Sports car:
Select exhibition mode. Highlight Kenny Wallace's car on the car selection screen, then hold X and press Up, Down.

Shoot paintballs:
Pause game play and display the race statistics screen. Hold L1+ R1 + L2 + R2. The sound of an engine will confirm correct code entry. Resume game play and press Triangle to fire paintballs at the other cars