.Specifications :Fitment : For Au.di S3 A3 2017-2020 SportMaterial : High ABS PlasticColor : Black Carbon Fiber LookInstallation : Direct ReplacementPlace on Vehicle : Rear, Upper, LowerPackage Including :1 Piece Rear Trunk Spoiler Lip Wing1 Piece Rear Bumper Diffuser Lip( Adhesive tape is attached.)Note :1. Carbon fiber look, NOT real carbon fiber 2. Tape is use for fix the position only, screws are needed when you install the diffuser lip.Feature?-According to the original factory specifications.- and high .-Decorate your car charming luxury vivid.-Easy to use and to operate at affordable prices.-Perfect cover that is useful, helpful and so practical.-Made of light weight & top-grade durable ABS plastic material.-Will dramatically improve the sporty appearance for your car.Installation Notice :1. No installation instruction included, professional installation is highly recommended 2.