Infinite SpeedBreaker
From the title screen, press Down, Right, Right, Left, Right, Up, Down, Square. A notification message appears if entered right.

BONUS Money $$$ Money
From the title screen, press Down, Up, Left, Down, Right, Up, Square, Triangle and you will get an extra $10,000 in Career mode. A notification message appears if entered right. *** This code can be used onc time only.

Infinite Nitrous
From the title screen, press Left, Up, Left, Down, Left, Down, Right, Square. A notification message appears if entered right.

Easy Speedtrap Races
Activate your Blocker/Brawler before the race. While racing and you see a speed trap coming up,stop your Blocker/Brawler. Your Blocker/Brawler will stop, crash the other car(s), and really slow down their time. The best Blocker/Brawler time is right before the speed trap.

Need For Speed Carbon Logo Vinyls
If you want to unlock the Need For Speed Carbon Logo Vinyls,then from the title screen, press Right, Up, Down, Up, Down, Left, Right, Square . A message will appear if you done it right.

Infinite Crew Charge
From the title screen, press Down, Up, Up, Right, Left, Left, Right, Square. A message will appear if entered it right.

Money $$$ Money
When you complete Career mode, set Samson as your wingman and have Neville in your crew too. Any of the races you have already completed in which a wingman is used,you can repeat and recieve $750 for each race completed instead of the $500 without. You can use this on first time races too.

Crew Members
If you want to unlock the listed crew member you need to finish the following tasks:

Sal	Joins after four to six races.
Yumi	Joins after defeating Kenji/Bushido.
Colin	Joins after defeating Wolf/TFK.
Samson	Joins after defeating Angie/21st Street.
Nikki	Joins after defeating all three beginning Bosses.

Collectors Edition Cars
If you want to unlock the listed car you need to finish the following event(s) in the Challenge Series:

Aston Martin DB9 (Exotic)	Defeat Wolf in Boss Battle mode.
Dodge Charger RT Classic (Muscle)	Defeat the 21st Muscle Car Gang.
Jaguar XK 2007 (Exotic)	Complete all three Turf War races.
Mazda RX7 (Tuner)	Defeat Kenji in Boss Battle mode.
Nissan 240SX (Tuner)	Complete all three Checkpoint challenges.