does name brand matter for intakes? no not at all.
function is what matters most. but its like a couple guys said already, some of the bigger companies are more functional cause more research has gone into them.
but that doesn't mean a no name brand isn't any good.
just do your research and look how it is designed....it may do the same thing a name brand will or it might not.
if your not sure just post here and i'll help you figure it out
and make sure you get a heat shield too so to don't keep sucking in hot air from the engine.
the reason you want a CAI is to suck in colder air, ie more dense air, for combustion. if you suck in hot air, you are doing very little, if any, for performance gains.