Does it work, yeah, I guess, but is it worth it? I don't think so. Best to just go with straight 100/104/110 fuel. I know it's more expensive obviously but the gains you get from so called Octane Booster is so minimal, it's not worth it.
The gain maybe 1-3hp, if that. Not worth it in my opinion. Race fuel, that's where it's at. 8)
Maybe S4madman, I have no experience with the stuff. sorry