Enhance the look of your Audi with the CAP Carbon Fiber Diffuser. Made with high quality carbon fiber, this diffuser will enhance the sporty look of your Audi will still remaining elegant. This diffuser is crafted of high quality hand laid carbon fiber.
The B8.5 A4 S-Line, S4 CAP Carbon Diffuser has two styles to choose from - one with a functional LED and one without an LED.
Make sure you compliment your new CAP carbon diffuser with one of three CAP carbon fiber trunk spoilers available.
The LED light has been refreshed to a newer design.
Brake Light Wiring:
Red is the live wire.
Black is the ground wire.
Yellow is the brake light wire.
Professional install recommended.