I think the manufacturers refer to this as "buffeting" it is reported to be caused by newer aerodynamics in vehicles. I believe they have sections in the car/truck manuals about this. Comes in handy when the kids won't quiet down!
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2013 Salem 30KQBSS TT
Equalizer 4pt Hitch system-12K
2016 Ram 1500 Crew Cab Sport 5.7 Hemi w/8 Speed
well, I did hear cracking the rear window helps it out ....however, I was not going to opt for that feature.....in m experience opening that rear slider usually just blows dust & dirt inside the cab...
just trying to see exactly what I'm gonna get before I lay down my $60
SKYDRIFTER, if its not something you can get through people you know I can get you my GM Supplier discount. Its not a huge discount, but it stacks on top of all the other rebates etc... PM me if it's something you could use.