Paintball Mode
     During  a  race, pause the game and to Race Statistics. Now press
R1  +  R2  + L1 + L2 and you'll hear an engine roar if done correctly.
Continue the race and press Triangle to shoot paintballs.

Drive the EA Sports Car
     Go  to  the  Kenny  Wallace  car,  and hold X and press Up, Down.
Continue to hold X until the race starts.

Drive the Pinnacle Car
     Go  to  Bobby Labonte, and hold X and press Up, Down. Continue to
hold X until the race starts.

Turbo Mode
     At  the  Options  screen, hold Circle and quickly press Up, Left,
Down,  Right.  You'll  hear  the announcer say "Go Bobby, Go, Go, Go".
Turbo  Mode  On,  should  then appear in the lower right corner of the
screen.