This GT3 style tail base, deck lid, aluminum uprights, aluminum end plates and 60" Fiberglass Predator Wing Blade is a GT Racing exclusive Kit. It allows the wing blade to be just under the roof line and just inside of the rear bumper per most racing rules. The wing blade is a low profile, low drag wing and can be adjusted for multiple attack angles. Please specify 911 or 964. For 964 applications, you need to use hinge adapters GT Racing part#11A. Uses stock Carrera, SC style grill not sold by GT Racing. Carbon Fiber Price is for top wing and end plates only.