pc II vs pc III

[him]

I was wondering if there was a big difference between the pcII and pc III. I have a 01 busa so its supposed to work on it but will it work with newer exhaust made and is it extremely difficult to do a map?

 

[BigBSBusa]

Check this out for the differences, <a href="http://www.powercommander.com/featversions.shtml">Power Commanders<a>.