I've had a Baja Rack, Slimline 2 and the Eezi Awn. The Slimline 2 was comparatively pretty loud because it's taller by 3/4 inch (height of the face, not from the roof) and the slats run horizontal vs. lengthwise. I don't even use the wind guard on my Eezi Awn, where as if I did the same on the...