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Porsche 718 Cayman Rear Spoilers | Wings


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 APR Performance Gurney Porsche 718 Cayman GT4 2017 

Model Number: GF-545056   View Price

The Gurney flap (a.k.a. wickerbill) is an aerodynamic device that was originally pioneered and developed in the 1970s by a racing driver named Dan Gurney. Unbeknownst to his competition, this device was used to increase downforce while minimizing increase in drag. He found that not only did this device increase the lift/drag (L/D) ratios, it also increased the stalling angles (so he could operate the airfoils at greater pitch angles). It took a few years for everyone else to catch on to its purp...