Fitment: For Infiniti Q50 2014-2017 (Please make sure your vehicle models is exactly same as us before purchase.) Specification: Type: Rear Lower Diffuser Material: Polypropylene - PP Plastic Color: Matte Black Attachment Method: Adhesive & Screws Holes: Pre-drilled Holes Features: 100 % Polyurethane plastic material that is very durable and flexible. It is an excellent fitment and high quality. Direct install upgrade part. Screws are included. Installation Instructions is not included. Professional installation is recommended. Package Included: 1 x Rear Lower Diffuser W/O Product Instruction .