Universal Spoiler Gurney FlapUniversal Spoiler Gurney Flap 3m adhesive rubber flap is the perfect additional to any GT Wing or even factory wings such as the ones on the Mitsubishi EVO and Subaru WRX STi. This 3 dimensional rubber piece is 2 meters in length and is easily installed with double sided tape, which is already pre applied to the bottom side of the flap. The Gurney Flap (or wickerbill) is a small flat tab projecting from the trailing edge of a wing. Typically it is set