CloudCity
LuxCruisers
Did you also put tape all the way down the sides of the windshield? Air can get in there on a poor install too and buffet around inside the a-pillar.
Long shot but fold your mirrors as you're driving and see if they are creating turbulent air. How do your rubber door seals that fit flush against the body look?
Long shot but fold your mirrors as you're driving and see if they are creating turbulent air. How do your rubber door seals that fit flush against the body look?