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I have the FP3 on a '11 Fatboy lo. Works great. Autotune might be a gimmick or might just take much longer than expected to dial in. I keep changing parts so I can't completely knock it, but I still have some decel popping after running auto tune for a few hours. You can mess with most of the same values as the PCV so if you have any tuning know how I'm sure it would be much easier to quickly solve small issues with the canned map.
Said it a "bajillion" times on here, one of the cheapest/most economical/easiest tuners out there...Dobeck Performance: http://www.dobeckperformance.com/
I upgraded from TFI to EJK on my 09 FLHX and am thinking about the AFR. Great bunch to work with and they support military/police/fire active duty & retirees.
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