Please kindly check your car model and make sure the model fits in case of buying the wrong product.Specifications :Fitment : For Aud.i S3 A3 2017-2020 SportMaterial : ABS PlasticColor : Black Carbon Fiber LookInstallation : Direct Replacement Place 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 100% needed when you install the diffuser lip.Feature??? -Made of light weight & top-grade durable ABS plastic material.-Will dramatically improve the sporty appearance for your car.Installation Notice :1. 2. Any damage and improper installation during the installation will not allow to get void.*