Porsche 718 Cayman GT4 Carbon Fiber Gurney Flap 2020 - 2023 R/T Fitment may differ between Type

Fitment may differ between Type M and GT-R models due to factory body and bumper variations

as there is nowhere for the built up air pressure to escape or evacuate

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Porsche 718 Cayman GT4 Carbon Fiber Gurney Flap 2020 - 2023 R/T Fitment may differ between TypeThese are super lightweight, made in carbon fiber using the pre pregnated "dry" carbon process, and conform perfectly to the contours of the Cayman GT4 airfoil. They are easily attached using the included double sided tape. Gurney flap is a small perpendicular tab mounted at the trailing edge of a wing. Its primary purpose is to increase downforce by enhancing the pressure differential across the airfoil. Gurney flap generates a recirculation region