C7Z51STG4 is for those looking for a more extreme rear spoiler. This one provides you with the additional wickerbills for more down force and a very aggressive back end resembling the OEM Z06 spoiler. Comes with the replica Z51 spoiler, the Stage 4 wickers plus the tinted center piece. The spoiler and the stage 4 wickers come painted in carbon flash, all hardware and template for installation. Other finishes available, ask for details, FREE Shipping