Porsche 2014-2019 991 .2 Turbo/S Wicked Carbon Fiber DiffuserPorsche 2014 2019 991 . 2 Turbo S Wicked Carbon Fiber Diffuser Porsche 991 & 991. 2 Turbo & Turbo S Carbon Fiber, Rear finned lower bumper Wicked diffuser Not only does this diffuser gives your 991 turbo an ultra aggressive look and stance, it is also fully functional, diffusing the air up and out the rear of the vehicle for added aerodynamics This diffuser fits all Porsche 991 Turbo cars, from 2014 to 2019 Porsche 911 turbo years