Shoot Paintballs
     Pause the game and display the race statistics screen. Then, hold
L1  +  L2 + R1 + R2. If done correctly, you will hear an engine sound.
Now resume gameplay and press Triangle to shoot.

Pinnacle Trading Cards Car
     At  the  Car Selection screen in exhibition mode, highlight Bobby
Labonte's car. Then, hold X and press Up, Down.

EA Sports Car
     At  the  Car Selection screen in exhibition mode, highlight Kenny
Wallace's car. Then, hold X and press Up, Down.

Increase Frame Rate
     At  the  Options  screen,  hold  Circle and press Up, Left, Down,
Right.

Waving Driver
     While  driving,  select the view in which the driver and steering
wheel are visible. Then, hold Triangle until t he driver waves.