Various

While racing goto the race statistics option and press
R1,R2,L1,L2 at the same time. You will here an engine noise which will enable you to shoot paintballs at other racers.

Goto the select car option and goto either Bobby Labonte's car or Kenny Wallace's car
Next hold X and press up then down. Bobby Labonte's car will turn into a Pinnacle car and Kenny Wallace's car will turn into an EA Sports car.