thats subjective.. yes it works, will you be able to feel it, no - only in your mind if you say yes to that, we're talking such small numbers i'd argue it makes very little sense for most people to justify the cost. But its a decent kit proven on dyno to work.
well finally got my dexcraft carbon fibre throttle body bob fitted.
also removed my 2nd rpm/shift light/multi gauge and fitted a isotta sequential gear shift light.(not many of these about now)
oil pressure gauge
oil temp gauge
voltmeter gauge