By all accounts, "That's what I do" Dain is the consummate professional, lauded by the Victory Owners' Group and others.
Knowing his domain, he makes the pipes the way you want them, within reason.
I have ordered "quiet" pipes (with today's cars, one is more likely with loud pipes - at least around here - to annoy the neighbors than attract any notice from drivers -- plus, I like to hear my wife when we chat), and there may even been a performance boost from freer exhalation.
And in the category of "What did you do to your bike this winter?", this is a modestly-priced one, and per his video, is accessible to a wide range of mechanical abilities.
Will let you know.