Dude if u like the sound of it then get a atmo bov. when turboing a honda i realy dont think your thinking much about being legal. there wont be 1 part under the hood thats legal unless engerneered. So what ever you chose at the end of the day it is illegal on a honda.
So the whole idea is not to get pulled over, so imo id get the pump back so u dont get cop attention. it is tempting tho, they do sound mad and im trying to decide my self which way to ago 2 for my setup as well.