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Old 07-20-2008, 11:09 PM   #5 (permalink)
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Join Date: Jun 2008
Location: Detroit Area
Posts: 43

LilRed - '03 Mazda Protege LX
90 day: 29.09 mpg (US)
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I'll be happy if I get a month or two from it. That way I'll go through a few tanks of gas and might see a change, although I'd expect the drag reduction will be slight, and I don't spend a lot of my miles at highway speed. But by then, after driving through the hot part of the summer, I'll know if an upper grille block is feasible in my Protege.

This upper grille is fairly small, and at least the film over the left and right edges away from the Mazda emblem are supported by the original grille structure, so I'd hope bugs and grit will not hurt too bad. However, the few inches around the emblem is kind of "tented" up, so a small stone or hard bug there might poke through. Or curious kids. We'll see!
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