This carbon fiber gurney flap enhances the look of the STI OEM wing. Japanese style at a fraction of the cost. The gloss carbon fiber finish looks wonderful both at a distance and up close. Installs quickly with 3M double sided adhesive. Installation Notes Clean the mounting surface thoroughly and apply in a relatively warm (70 degrees Fahrenheit preferred) area. This Part Fits 2015-2021 STI Carbon Reproductions RS Style Gurney Flap for STI Spoiler 2015-2021 WRX Carbon Reproductions RS Style Gurney Flap for STI Spoiler