2015-2023 Ford Mustang or Shelby Wicker Bill Matte Black Rear Wing Spoiler Flap

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•Brand New •Fits ALL 2015-2023 Ford Mustang's & Shelby's w/ Factory Spoiler •Direct replacement for factory spoiler, installs in factory spoiler mounting locations, no drilling req uired •Helps give your car the traction it needs without adding a bunch of unnecessary weight •Matte Black Finish •Durable, lightweight blow-molded ABS plastic construction •Includes adjustable clear plastic Lexan flap •Installation hardware included •The truth is that wicker bill is the popular name for the "Gurney Flap" who is the person who innovated the use of the phenomenon for racing. The flap pointing upwards actually increases traction and allows people to have the ability to make tighter turns. It was such a big advantage that the inventor strove to keep the invention as quiet as possible. Gurney actually allowed others to copy the design but allowed them to try to improve the design because logic says that a flap that points up would only slow lap times. What the other people did was point the flap downwards which did not give them the traction advantage. They thought they were improving the design but they were actually causing themselves to have reduced performance times when compared to the Gurney flap or the wicker bill spoiler. Click here for video! Show more