I used to get buffeting really bad before I cut my windshield. Once and a great while, maybe only one out of every ten times. And I think it depends on what direction the wind is blowing at the time. The angle of the windshield probably makes a difference too. Mine is at a prety steep angle so it makes a good size "hole" in the wind. The wind isn't much of a problem but I don't have as much protection from rocks and bugs with a shorter windshield.
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