This is a new design of the C6ZR1 rear spoiler. It is silghtly higher than the standard oem type. Designed to fit over the oem stock rear spoiler. It is a taped down application so no need to remove anything for ease of installation. (of course we always recommend bolted down).  Offered in hydro-dipped carbon fiber graphic and UV clear coat for a super shinny surface. Each unit comes with all hardware. FREE Shipping