1 Set / 3 Pieces Rear Bumper Diffuser Lip Adhesive tape and screws are attached. Carbon fiber look, NOT real carbon fiber!! Tape is use for fix the position only. Screws are 100% needed in the installation. 100% brand new and high quality guaranteed. 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. 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! Our products are modified car parts, NOT original products, Small install gap is Allowed! We will offer the best quality product to our customer. And if you need the installation instruction, please let us know, we will try to send it to you. Please allow up to 48 hours for a response to your message.