Original URL: http://www.psxextreme.com/psp-cheat-print/17.html
Midnight Club 3: Dub Edition

Unlockable: Atlanta & Detroit
In the cheat code menu, enter roadtrip.
Cheat: No damage
In the cheat code menu, enter ontheroad.
Unlockable: Flag Vinyls
Find 12 Rockstar logos in Cruise Mode.
Unlockable: Flag Vinyls
Find 12 Rockstar logos in Cruise Mode.
Unlockable: Rockstar License Plates
Find 24 Rockstar logos in Cruise Mode.