There was a fellow on an insight message board that wanted to do this. he wanted to make the insight SUPER aerodynamic. Here was his photoshopped proposal for his car:
Someone pointed out however that there needs to be some air to cool the brakes or else they will overheat and break.
I've considered putting wheel skirts on my rear two wheels though like the insight. I'm not sure how much work is involved in something like that, but it would be pretty cool if you ask me
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