Enter Career mode. Select the "Secret Code" option at the menu.

Have a saved game file from Need For Speed Carbon to unlock three additional repair tickets and a total repair ticket.

Defeat the indicated opponent in Career mode to unlock the corresponding car.

Defeat the indicated opponent in Career mode to unlock the corresponding car.

Enable the "Master Code" then go to the car lot. You will find a red Acura Integra available for $0. You can sell it for $7,200 and can repeat this as many times as desired. You can also sell the other cars obtained when that code is enabled.

If you want to keep your race days points for a race day, just PS out of the game. How ever you can not pick a different area, you will just load up from where you quit.

The best dragster is the Nissan 240SX. The first chance you get, make a 240SX your drag choice. Put on all the best performance parts you can afford. Remember, you need a lot of speed and traction. After you start setting new track records you will be invited to race Karol Monroe the Drag King. This car will not perform in the Wheelie comp, as it does not have enough power to do so.

Enter into an event in any of the Street King Tiers. You will be given two free Repair Markers. Leave the Race Day and reenter to get two more. Repeat this as many times as desired.

If you have a Need for Speed Carbon file on your memory card you'll get an extra $10,000.