This factory spoiler extension measures at 1 5/8" height w/center cut out. Made from polyurethane rubber (flexible). includes 3m adhesive tape. It includes self adhesive tape for easy installation. Additional silicone is highly recommended for vehicles at high speed. It can produce quite a bit of down force! Spoiler is UNPAINTED with a flat black finish. Painting will require flex paint to be used. All Spoilers are aftermarket and manufactured in the USA.