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You can count me in the group that would say I wouldn't do the zoodad mod again. It's not a terrible thing that it's done, but if I could start over I wouldn't have cut that area out. All I've found it does is funnel in more bugs, debris, and dirt than what would normally have entered into the air box inlet. I really don't think it does a thing for you performance wise, so I'd say don't do it.
I have a 2003 7.3L so that other mod wouldn't work.
I think maybe a compromise would be for me to make several 1/4" holes on lower half with screen and take it from there. Maybe best of both worlds?
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