No Larry ,, I had the window up
![Uhuh](http://www.striped-bass.com/Stripertalk/images/smilies/nod.gif)
.. I drove a bud to M&D's today and he said "What's that noise ?" I was only going 40 at the time . It's a lower pitch roar noise . Kind of a bummer .. 2010 explorer .. First time I've ever owned a vehicle that everything wasn't rattling . The cross bars are round .. Can't be that . The risers that clamp to the factory rails are hollow .. Sealed with covers on the outside but may be open inside .. I'll investigate . They look nice .. may be in need of duct tape ..
![Against the wall](http://www.striped-bass.com/Stripertalk/images/smilies/new/wallbash.gif)