You keep using this word "scientific", but I'm not sure you know what it means.
Anecdotal evidence with an n of one is hardly scientific. Subjective impressions such as how the modified equipment makes you feel is hardly scientific.
It seems telling that the guy selling these modifications won't even say what he's selling. "It sounds awesome, just don't ask what I did. Ignore the man behind the curtain."
The fact that a number of shills suddenly show up on AVS Forum and other sites pushing this apparent snake oil makes me less likely to give credit to people's subjective impressions of these modifications. The utter lack of any empirical (tangible, measurable, scientific) evidence that TUC improves things makes me really suspicious.