Quote:
Originally Posted by freebeard
Or maybe just a clip-on fan on the sun visor, so you don't have to crack a window and kill the aero.
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My experience (10+ years of owning one) is that open windows mostly don't perceptibly affect the Insight's aero. The only exception is when you have strong crosswinds, when closing the upwind window (but not the downwind one) helps.