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[Paniolo]

Well I have the Zippers Wide Band closed loop system, and I look at it this way.
Most really good dyno tuners can quickly dial a bike in so close that you can feel it immediatly riding on the street.
I know, 'cause I've been there, ride it in, get it tuned, and ride it out feeling a BIG difference.

But to go on a dyno, and get every cell of fuel and timing tweaked to produce the best possible tune ever, would probably take more time, and that is what will cost a lot more money. Plus there are so many variables to it that are constantly changing. A good tuner finds the ideal tune, and sets it.

Now the Zippers will not give you that "perfect tune" if that is indeed what you are seeking. What it will do is get you as close as a good dyno tuner will, and still have the ability to make wide band adjustments as things change. What you can do is set the tuning parameters to how you want it. You can pick where and when you want it richer, and leaner.

Low speed around town part open throttle between 1,000-2,700rpms, afr at 13.0 for smooth riding and cooler engine temps.
High speed freeway, throttle at 26degrees between 3,500-4,300rpms, afr at 13.8 to 14.0 for better mpgs.
WOT for passing at 12.3 for for instant throttle response.

Change the exhaust, it will learn and adjust. There's money saved on another dyno tune.
Install a different cam, it will learn an adjust, saving another dyno tune.
Swap out a TB or air cleaner, it will adjust.
Go from an 88" to a 95", it will learn and adjust.

Right now my bike runs a good as, if not slightly better than the best dyno tune I ever had.
When I change my mufflers from FullSac to SPOs, the system will learn and change. That is where I see the big difference coming from.