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do a search for posts on this issue by me- look at it this way- if the 1715 ranks a 7 on a 1-10 scale- the 9100 is a 10- it's the tuner that mike burns personally to EXRACT EBERY POSSIBLE OUNCE OF HP & TQ out of an engine!
I would suggest calling Mike or Anita direct and getting their total answer that would include pricing info Mike can't talk about on the boards do to forum rules. I can tell you they aren't high pressure sales. If you drop a dime on them you'll get some cheap education....................in my opinion.
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