With dual element airfoils and tear drop side plates, the APR Evolution GT Series wings is designed for high horsepower cars seeking massive amounts of downforce. Angle of attack adjustments can be made up to 40 degrees on the upper airfoil deck, giving drivers the ability to fine tune rear traction. The Evolution APR GT Series wings airfoils are available in dry carbon fiber and aluminum. Supporting the Evolution GT Series airfoils are 10mm "aircraft grade" 6061 billet aluminum pedestals that secure the wing to the car.