Setting-aside the improbable notion that this is in some obscure way a technically valid enhancement to your stereo - it's an inescapable fact that if you believe you are hearing an improvement, then you are hearing an improvement, such is the potency of the placebo effect.
Placebo effect is why 20+ years into the existence of hifi forums we still argue about stuff like interconnects: it's an eternal war between autistics who cannot cope with nuance, chaos or human frailty, and fairyland-inhabitants whose belief system excludes facts or thinks them negotiable...
This war will never end.