What do all 60 rockstar barrels do in midnight club Los Angeles?

In "Midnight Club: Los Angeles," the 60 Rockstar barrels are collectibles scattered throughout the game world. Collecting all of them unlocks a special in-game reward, which is typically a unique vehicle or a special customization option. Additionally, finding all barrels contributes to 100% completion of the game, enhancing the overall gameplay experience. These barrels are often hidden in challenging locations, encouraging exploration of the game's expansive map.