Will this interfere with my trunk seal or rear bumper fitment?

No — this is a front lip spoiler. It mounts to the lower front bumper and does not affect rear trunk or bumper geometry.

Does this require drilling, or can I use adhesive?

The lip is designed to work with factory mounting points. For best results, sand and prep the surface where the lip contacts the bumper before securing with your chosen fastening method — whether that's adhesive, mechanical fasteners, or a combination. Reference your vehicle's OEM bumper structure to confirm anchor locations.

Will this lip stay stable at highway speeds?

Yes — the single-piece FRP design is rigid and resists flex. Ensure the mounting surface is clean, dry, and properly secured so the lip remains seated under aerodynamic load.