Does this carbon fiber grille need clear coat protection?

Yes. Applying a UV-protective clear coat after installation will preserve the finish and prevent yellowing from sun exposure over time. Sand and prep the surface before applying your chosen clear coat.

How do I seal the edges where the grille meets the bumper frame?

Test-fit the grille first to confirm proper alignment with your bumper opening. Once positioned, you can apply automotive weatherstripping tape or silicone sealant along any gaps to prevent dust and debris entry. This is optional but recommended for a finished look.

Will real carbon fiber be durable in daily driving?

Carbon fiber is stronger than factory plastic and resists cracking from minor impacts better than OEM grilles. Avoid direct pressure on the mesh when washing. If debris hits the grille, the hand-laid construction is repairable with epoxy and matching clear coat rather than requiring full replacement.