QuoteIt is a given that the cleaning process that is desired in the context of what the OP is asking for will achieve a cleaned version of what once was . That is as in a factory finish when the car was new. With that said the finish in the link doesn't look even close to what the finish of intake was when the car was new.
True, getting the factory finish won't be accomplished with vapor honing/hydro blasting. I found it to be a better alternative to glass media blasting though since that always gets so dirty quickly. Also now that I re-read the OP he most likely want to clean it in place so it's not really an alternative anyway.
Btw, hey Bob! I'm the Swedish guy who called you a while back asking about the horn repair for the steering wheel.