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Old 01-15-2022, 07:24 PM   #9 (permalink)
Blacktree
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The Prius Experiment - '07 Toyota Prius Base
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Quote:
Originally Posted by freebeard View Post
Might increase drag?
They will increase drag when the windows are closed. If the windows are cracked open, air from the cabin will fill the gap. And in that situation, the drag could be reduced, due to the larger radius of the curve. But to see a net benefit from the rain guards, you'd have to have the windows open basically all the time.
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