Notice:.Specifications :Color : BlackMaterial : High Real Carbon FiberAttachment Method: Screws, ReplacementPlace on Vehicle : Rear,LowerQuantity: 1pcs/setType: Rear Bumper Diffuser LipFitment : For Porsche 718 Boxster Cayman 2016-2018Package Includes :1 pcs/set Rear Bumper Diffuser LipFeatures:- and high .-According to the original factory specifications.-Gives your vehicle a 0style and appearance.-Perfect cover that is useful, flexibility and so practical.-No Modification or Cutting Required.Note:1.Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm)2. No installation instruction included, professional installation is highly recommended Important Notice : all of our products are required to be installed in professional Modification car shop , NOT every car shop can make it ,Small install gap is Allowed