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EFI What else will I need to do?
First, determine if your '01 has Magnetti-Marelli injection(early '01), or Delphi injection(very very late '01 to present). I can tell you from experience that the MM injection is a bear to get tuned correctly. I never did get mine right with a Power Commander, and neither did 2 dealers.
 

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07 was the first year that HD put 02 sensors on the touring models.
 

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Have you looked for a piggyback tuner? (Pc3 or the like) I think you can switch exhaust without problems. Check spark plugs to see if you need to make changes after swap.
 

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Exhaust

Lunchboxx,

If it already has true duals and different headers it has probably already had
a tune. But like another poster said. Check youy plugs and see if they are soot covered or on the other side very grey. Do this before you change the exhaust. If the plugs are good, put on the new system and run it for a few hundred miles then check them again.

If you are just doing pikes and have to do anything, a piggyback system like the Vance and Hines should do fine. IMHO.
 
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