Clean the entire trunk lid surface with isopropyl alcohol wipes and allow to dry completely before beginning.

Use a trim removal tool to release the OEM spoiler clips. Remove retaining nuts with a 10mm socket. No cutting or modification to the trunk lid is required.

Hold the PSM high-kick spoiler over the trunk lid without fastening to verify alignment with all OEM mounting holes. Use a second person for accurate positioning.

Insert mounting studs into trunk lid holes. Hand-thread retaining hardware until snug. Confirm centered alignment before final tightening.

Tighten retaining nuts to snug with a 10mm socket. Avoid overtightening on carbon fiber contact points.

Verify even gap margins around the spoiler perimeter. Wipe the carbon surface clean with a microfiber cloth.