Congrats on some serious success there Cole. I saw somewhere on here the pass. mirror was making a 1.5mpg difference on somebody's car tests. I tossed my pass. mirror months ago but it was in with a bunch of other mods/repairs so no data on improvements here. I found a foldaway drivers' mirror at the junkyard and swapped it into mine, and keep it folded back all the time for that lil extra aero (makes me happy). I just added a grill block on my DX and I don't have any data there either. My last tank was up, but I also did some other mods.
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