You guys are overthinking it.
It will be fine, the biggest issue will be rattling can be caused.
If anything a screen will lesson turbulence and straighten out back spins.
The rattling is what I was getting at with asking if it was a Malibu (or other GM clone.) I cut out my back deck because of this annoying noise, plus those grills will need to be attached, they popped up all the time from vibration.
Where the Governor is on a steak, the cops are on the take, and the welcoming committee is a sawed-off shotgun!
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