Originally Posted by CrystalRedTintcoat
How'd you get the zl1 diffuser to fit?
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I bought the template from gen5diy, drilled the holes and cut the slots and on it went. Be warned though its a slow and tedious process. Make sure you have the parts first so you can check alignment. The bracket that the mudflaps bolt too requires 3 holes be drilled but you can mount it up using an existing 4th hole just to see how things line upt and go from there. But yeah 6 slots per side and 3 additional holes in the bumper cover to get it to fit. Otherwise its plug and play.