Will this spoiler interfere with the trunk lid when it opens?

No. The power style design mounts low on the trunk surface and clears the lid swing. Verify clearance visually once mounted, and ensure any cargo stowed in the trunk doesn't contact the underside of the wing.

What mounting hole pattern should I expect?

This wing uses factory trunk mounting points. Before drilling or fastening, physically verify the hole locations on your trunk with the wing held in place. This ensures alignment and lets you confirm whether any additional reinforcement is needed at the mounting surface.

How should I prep and finish the FRP before installation?

Sand the surface with appropriate grit to promote paint adhesion, then apply your chosen primer and topcoat system. Once cured, mount the wing using stainless fasteners to resist corrosion. Refer to your fastener manufacturer for proper installation torque.