Some will tell you the MaxAir11 restricts air too much, doesn't allow the vent cover to fully open, etc.. I installed 3 MaxAir11's on our rig last year, works great, lots of air flow. Would I get a bit more having a Fanmate? Perhaps...but the MaxAir11 is moving more than enough and best of all...it was a simple install without having to remove screws from the roof flange and having to re-caulk. I was not interested in playing around with drilling holes in the roof and re-caulking.
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2016 Chevy Silverado 2500 Duramax
2016 Rockwood 8289WS, Diamond Pkg.
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