Nascar Thunder 2004 - Unlock All CreateaCar Sponsors and Kitt Paint

Unlock All Create-a-Car Sponsors and Kitt Paint

Win the Winston Cup in Career Mode.

Unlock All Fantasy Drivers

Select the Features option on the main menu, then Create-a-Car. Enter the name "extra drivers"

Unlock Paint Skins

With the game level on Veteran or Legend, race any 1 player race.

Dale Earnhardt Bonus

Win the Daytona 500 in season mode driving Kevin Harvick's 29 car to unlock Dale Earnhardt. You will also get the Goodwrench car, Goodwrench Plus car, Wrangler car, Silver car, Coke car, Bass Pro Shops car, Oreo car, and the Legacy car.

EA Bio Extras

Reach Level 16 to unlock the All-Star Race.
Reach Level 18 to unlock the Bud Shootout.

Unlock All Cameos

Select the Features option on the main menu, then Create-a-Car. Enter the name "Seymore Cameos"