Okay, so I didn't drive my car for two days, due to have my wisdom teeth extracted. I drove it yesterday and I noticed a sound when I hit 3300 rpm. It's right when my turbo comes in. There is still a good throttle response and I don't have a boost gauge to see if I'm loosing boost. I'm thinking about having it checked, because my car is a 2012 and hasn't ever done this. Just wanting to see if this is normal or what. My car has right at 4000 miles so it's basically brand new. If you guys could just give me some help.