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Old 10-24-2017, 04:03 PM   #99 (permalink)
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Gap Sealing

If your Miata rear bumper has an exposed forward facing cavity, blocking the opening could shave a little drag. In this video:

<unable to post hyperlinks-google miata pool noodle youtube>

a pool noodle is stuffed in the gap and it seems like a slick lightweight solution short of a more engineered closeout tray or diffuser.
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