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I wanted to post an update on my airdam. I made the same trip last friday as I did before. I've been thinking that I may have made it too long since it was an inch below the rest of the underbelly and initial results were not stellar. Anyway, I decided to pull it back off except for the tin brackets. This left me with around a 2" air dam. the temp was warmer (steady at around 20F) and almost no wind for either trip. My trip up mileage was a little worse, a little over 28 mpg but there was freezing drizzle and fog in the morning this time which may have had some effect on results. On the trip back, though, I got 31.3 mpg. I've decided that I need to take an inch off the rubber when I put it back on and I think it will work better. I'm also not entirerly happy with using the tin for support brackets. I hit some ice in a parking lot and bent the center bracket already. The rubber folds under and comes back nicely though
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