Need for Speed: ProStreet Discussion
At the "Code Entry" menu in Career mode, enter one of the following codes to activate the corresponding cheat function. Note: Most codes can only be used once. Therefore it is recommended that the auto-save option be disabled before using the codes in the event you wish to revert the game to its original state. Also, using some codes may reset the performance of cars that have previously been improved.
Enter the "UNLOCKALLTHINGS" code. Exit to the main menu, reload Career mode, and you should now have the Nissan 240 SX, modern Pontiac GTO, Chevy Cobalt SS, and black Dodge Viper SRT 10 in your garage. Sell those four cars to get approximately $90,000. Then, save your career, and reset the game. Load your saved career. Enter the "UNLOCKALLTHINGS" code again. Exit to the main menu, reload Career mode, then go to your garage. The Nissan 240 SX, modern Pontiac GTO, Chevy Cobalt SS, and black Dodge Viper SRT 10 should be in your garage again. Repeat this process as much as desired.
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