Getting a metallic tinkle, scraping, ping ping sort of noise out of the Prius the last two days. Starts to happen on the way home from work after getting off the pike. Starts with a spring sort of sproing sound which I can feel in the steering wheel. Then it switches to a mix of metal scraping, like the muffler was dragging mixed in with a ping ping sort of rocks bouncing around the wheel-well. Then it transitions to more pure scraping and then in a sudden SCRAPE, it sounds like something falls off and the sound stops.
Bring the car in and let them have it for a day on Wednesday.