Tips:.Specifications :Color : Glossy BlackMaterial : High ABS PlasticAttachment Method: ScrewsPlace on Vehicle : Rear,LowerQuantity: 1pcs/setType: Rear Bumper Diffuser LipFitment : For Au.di A4 Sport RS4 2020-2022NOTE : ONLY Fit For Au.di Sport Version,NOT Fit For Universal Version Package 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