Jcsportline Carbon Fiber Rear Trunk Spoiler fits Audi A4 B8 2009-2015 Saloon Material:Carbon fiber,Made by approved & certified manufacturers with materials that meet market requirements and road use regulations. Fitment:This Rear Spoiler excellent fits for Audi A4 B8 2009-2015 Saloon Package including: 1 pc rear spoiler. Installation:This Rear Spoiler installed with 3M adhesive tape easily, which is included in package. This Rear Spoiler with glossy look and stylish design, it will works fine and enhance overall performance in handling and durability. Please check the item and accessories in the package. Use alcohol to clean the place where to put the spoiler on.Confirm the installation path for self-adhesive tape. Use adhesion promotor on the path ready for self-adhesive tape. Open a little tape on the two ends.After you confirm the right installation path,remove the whole self-adhesive tape. Then,press to get a good fitment.(If you can use hair drier suitably when pressing, it will fit better)