I have been eyeing up a set of DAP 100hp injector tips for a while and at the low price they are I don't think I can find a better deal, my worrie is that I might get in over my head on it, really how hard is it to install a set and how many little parts are involved. I've done basic mods like exhaust and worked on my old duster alot, but haven't got really inside my motor yet, any information is appreciated