57e47233_and_Secrets_for_3DS___GameFAQs__How_to_Unlock
[Unlockable] Oh! My Car! [How to Unlock] 
Hee hee, destruction is so much fun! Score 80,000 points or more in the Car Buster bonus stage!
Super Street Fighter IV: 3D Edition Cheats, Codes, and Secrets for 3DS - GameFAQs