Josh Pinkert <flush@us.net> wrote: > > The problem is truly the resonance. But I think the resonating piece is > the roof panel itself. They're usually a little flexy and not very well > re-inforced. With the sunroof open, try grabbing the edge of the roof > and see how much it flexes. If this were stiffer, it'd resonate at a > higher pitch... Maybe some dynamat would help? Ken