The following are known Action Replay Codes for Need for Speed ProStreet on Nintendo DS (NDS).
Game ID: YNPE-7294AF99
Max / Infinite Cash
02076618 3b9ac9ff
Infinite Damage
6209c2ac 00000000
b209c2ac 00000000
08000000 00000000
08000004 00000000
dc000000 f7fff970...