Dragging the heat shield isn't good, but you found it. I had a Subaru in that had a strange sound like that, turned out to be a bad fender liner, When it went fast enough the liner would fold down from the airflow and touch the tire, when you slowed down it would go back into place.
The wrrr could be a bad wheel bearing, does it change at all if you slalom the steering wheel while it is making the noise? They can make a LOT of noise and still be nice and tight with no play.
Wednesday, May 31st, 2017 AT 3:07 PM