like its been said, its just a pipe.
also, the filter that is on it is more important. buy the ebay intake for the piping, throw out the filter it comes with, and buy a k&n.
there used to be a comparison on honda tech between an aem v2 and an ebay intake where the guy dyno'ed his car with both on, the differences between the two were really negligible.
if i can find the thread ill post it here.