Various cheats
     Start  or  resume  a  career.  From  the career menu, select CODE
ENTRY.  Then  select  SECRET  CODE and type any of the following cheat
codes and press [ENTER]. Some codes may only be used once per career.

Cheat code:           Result:
1MA9X99               Add $2,000 in career mode
W2iOLLO1              Add $4,000 in career mode
L1iS97A1              Add $8,000 in career mode
1Mi9K7E1              Add $10,000 in career mode
CASHMONEY             Add $10,000 in career mode
SAFETYNET             5 Free Repair Markers
UNLOCKALLTHINGS       Unlock All Bonuses
COLLECTORSED          Free Collector's Edition Upgrade
REGGAME               Add $10,000 in career mode plus Bonus Cars
ZEROZEROZERO          Unlock Coke Zero Volkswagen Golf GTI
ITSABOUTYOU           Unlock Audi TT3.8 Quattro
MITSUBISHIGOFAR       Unlock Mitsubishi Lancer Evolution
WORLDSLONGESTLASTING  Unlock Energizer Lithium Dodge Viper
HORSEPOWER            Unlock K&N bonus vinyl
CASTROLSYNTEC         Unlock Castrol Syntec vinyl
ENERGIZERLITHIUM      Unlock Energizer Lithium vinyl
LEIPZIG               Disable the UNLOCKALLTHINGS code


Kings Cars 
     As  you  progress  through  the  game, you challenge the 5 Kings.
(Showdown,  Drag,  Drift,  Grip & Speed). Once you beat them, you will
get their car as a reward.

Unlockable:                     How to Unlock:
06 Mustang GT (Karol Monroe)    Beat Drag King in Career Mode. 
08 M3 E92 (Ray Krieger)         Beat Grip King in Career Mode. 
65 GTO (Nate Denver)            Beat Speed King in Career Mode. 
95 RX-7 (Aki Kimura)            Beat Drift King in Career Mode. 
08 Evo X (Ryo Watanabe)         Beat Showdown King in Career Mode.