Yeah that's all the mod is. The Z plate Zoodad screen Stealth Automotive has is just neat cause it's anodized and has a big "Z" on it.
Raul told me that he designed them and had a machine shop make them, I'm assuming the same place that did his BAD bumper. And as for the hole, size won't really matter unless you happen to have an intake that would seal to that hole. There is a write-up on here on how to do it in the tech files.I tried to pm stealth a little bit ago but he must not be at his computer, i need a fuel pressure gauge adapter and if he had one I was just going to have him send me a zoodad also. I havn"t seen these zoodads anywhere but on his site, does he make them his self?