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They're both pretty basic, but they do work. If you even have a hint of an idea you might change something later, invest a few more dollars and get a tuner that will handle all the changes. There are a ton out there, just search the boards, but PC-V and PowerVision from FuelMoto are highly recommended on this site, along with many others.
The Dobeck Gen 4 is way ahead of the FuelPak and will handle the addition of mild bolt in cams; also comes with an O2 sensor and AFR meter for finer tuning and you can make adjustments on the side of the road.
If a more sophisticated system is required, the Rev Performance EMS looks like the way to go; no dyno, no computer, no mapping, no need to get a headache trying to learn to work with a system; just ride. Makes it worth the price tag.
I used the v&h fuel pak on my 09 superglide. Just had pipes and se air cleaner. Had to ditch it when i built the motor. Its not really tunable if u want to do any work to the motor. I have the fuel pak currently on my 09 roadglide which i has about 19k on it. Really havent had any problems but i am starting to get the popping on decel. Im currently looking for a new tuner like the rev perfomance ems that self tunes.
I have the Dobeck GEN3 on my 2006 and very satisfied with it. Been thinking up grading to the GEN4 so I can see what my engine is doing on the road and can adjust it as I go.
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