At the main menu, select the "Game Modes" option. Select "Fight To The Top" mode, then enter one of the following case-sensitive first and last names at the driver information to activate the corresponding cheat function:
Old Spice Fantasy track and all cars and drivers in all four divisions
Enter "KeepCool" as a first name and "SmellGreat" as a last name to unlock the Old Spice Fantasy track and all cars and drivers in all four divisions.
Wal-Mart track and cars
Enter "Walmart" as a first name and "EveryDay" as a last name to unlock the Wal-Mart track in Race Now mode, Wal-Mart sponsored cars for all racing series, and Wal-Mart sponsor for Create-A-Car mode. The track is a 2-mile Road Course based in downtown Chicago.
All Chase Plates
Enter "ItsAll" as a first name and "ForMe" as a last name to unlock all Chase Plates.
Level 10 Prestige
Enter "Outta" as a first name and "MyWay" as a last name.
Full team Prestige
Enter "MoMoney" as a first name and "BlingBling" as a last name.
Enter "GiveMe" as a first name and "More" as a last name. To get a large amount of money easily, enter "GiveMe More" as a name, then choose to edit that name to return to the name entry screen. The name will still be there. Just accept it again to add another $10 million to your total.
Enter "AllBow" as a first name and "ToMe" as a last name.
No Collision mode
Enter "Walmart" as a first name and "NoCollision" as a last name. This mode can be turned on or off in the Damage selection in Race Now mode and will appear as "Wal-Mart No Collision Mode". When this mode is enabled, your car will be able to drive through all other cars on the track, resulting in no damage to your car. However, as a result of driving through other cars your Rival meter will increase, as if you hit them under normal racing modes.