Well first of all thanks for reminding me that I need to mark this SOLD!
Now that's finished, on to your question.
There was nothing I didn't like. I had some remaining backfiring in certain situations that I could not tune out, and the grass is always greener on the other side, so I went with the better unit. However when I installed it I found I had just as much backfiring and I think I had a little more power with the tune I had developed with the FI2000r. So in short, its really perfect but since I live in an area where temperatures swing more than 100 degrees in just a month, and I plan on traveling to different elevations with the bike, I am glad I have something a little better. Plus I have some crazy need to squeeze ever last little HP out of this I can get. Not that I can tell the difference. In short if I had it to do all over again, I would have stuck with it.
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