More money

Enter FAST as a code in the pre-release version of the game and you will have more mony


Passwords
All cars in arcade mode

Under the "extras" screen, in the cheat menu, enter PINT to unlock all cars and classes in arcade mode.
Password                Effect
PINT                    All cars in arcade


Unlockables
Unlock All Cars

To unlock all cars in career mode, you have to race for about 3-4 months without skipping any of the races.
To unlock all cars in custom mode you have to beat all the arcade series, including the extreme nitrous series.


Unlock Prototype mods

Get 1,500 respect points from all CPU characters to unlock all Prototype mods.