After that you can install screws and glue (not include). Do not recommend you have to wash the car within 48 hour. Use of this product without painting is not provided. Because the parts do not have UV protection. Because of this later, the detail will have an unpleasant color.If item is defective after 3 months, you can still send it back to us. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exterior Parts & Accessories\Spoilers & Wings". The seller is "tomatochicken" and is located in this country: US. This item can be shipped worldwide.