Will this interfere with the trunk seal?

No. This is a bolt-on spoiler mounted above the trunk lid itself, not into the seal area. Verify mounting hole alignment with your vehicle's rear panel before installation to ensure proper fitment.

Should I drill into the trunk or use adhesive?

This spoiler is designed for bolt-on installation using existing or pre-drilled hole locations. Drilling vs. adhesive depends on your vehicle's design — reference your OEM trunk documentation to determine the correct mounting method for your setup.

Does carbon fiber need special maintenance?

The clear coat protects the carbon weave from UV exposure and minor abrasion. Regular washing with mild soap keeps it clean. Avoid aggressive brushes or heavy waxes that can damage the finish — the clear coat is your protection layer.