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Old 04-29-2022, 08:40 PM   #2
N Camarolina

 
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Drives: 2021 2SS 1LE
Join Date: Aug 2020
Location: Cary, NC
Posts: 975
I usually only take mine to high speeds on track, at which point the windows are all the way down and cause buffeting above 90. I installed Strano deflectors which help (they redirect airflow from entering the open window, but presumably this isn't your problem.

I don't recall hearing any noises at 70+ highway speeds with the windows up. Do you by chance have a sunroof? Otherwise I suggest you check the wipers, A pillars, etc to see if something is poor fitting or out of place.
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