I have yet to see this covered, and I am not sure if anyone but me would even try it, (i like to play with things.) I have an sxt with a sunroof. If I have the sunroof on vent or closed, and i put the two back windows all the way down, but keep the front ones up, the sunroof flexes in and out quite a bit, and makes quite and interesting noise througout the car. I was doing about 60mph (100kmh) when i noticed it. Has anyone else noticed this? Does it make the same noise on those of you with no roof. Keep the front windows all the way up, and the back two all the way down, and tell me what you get. I just wonder if I was going really fast, what would happen to the sunroof.