Fastlane (2002)

Two mistmatched cops, the angry and bitter Van Ray, and the brash Deaqon Hayes, are forced to team up by a shady vixen police lieutenant, Billie Chambers, into going undercover in the seedy side of Los Angeles in using a variety of police confiscated flashy cars, clothes, weapons and other items, kept in a large secret warehouse called the Candy Store, in order to nail various low-lifes and rich and powerful criminals.