Neville,
Thanks for your response. A couple of clarifications, if I may: 1) My "speed shop" was Godier-Genoud, of Kawasaki endurance fame (at least in Europe), in nearby France. Mr Genoud refused to use TuneBoy (which I had already purchased) and convinced me to order a Power Commander unit (he held a distribution franchise). 2) As to the cans, I was already relying on ... Australian Mad Dogs pipes and a K&N under-the-seat lung.
As I wrote above, the whole episode took place 5 years ago. I happened to be one of the first six Rocket III owners in Switz. and, perhaps foolishly, THE first one to venture into N/A (as opposed to turbo/supercharging) engine tuning.
Water under the bridge, as one would say.
I had no intention whatsoever to bash you. I just wanted to suggest that the help of a
local, competent shop, preferably with prior Rocket III experience (Godier-Genoud had zilch) to do the installing, e:tuning and testing might be sensible.
Best regards
Ol' Jamie