2010-2012 B8 Audi A4/S4 - CAP Carbon Fiber Diffuser With LED Brake Light - V1

Carbon Fiber Diffuser with LED For Audi A4/S4

Enhance the look of your Audi with the B8 Audi A4 S-Line/S4 CAP Carbon Fiber Diffuser V1. Made with high quality carbon fiber, this diffuser will enhance the sporty look of your Audi while still remaining elegant.

Make you B8 Audi A4 S-Line or S4 sedan have a refreshed, more aggressive look in the rear with our hand laid carbon fiber diffuser.

Comes with a functional middle brake light

Please note that this diffuser only fits the B8 A4 S-Line/S4. If you would like the B8 A4 Non S-Line Diffuser, please click the highlighted link.

Wiring Instructions:

Red is the live wire.
Black is the ground wire.
Yellow is the brake light wire.

Install Instructions Disclaimer:

Professional install of this carbon diffuser by someone who has aftermarket product experience is required. Rear bumper must be removed to install this carbon fiber diffuser properly.

Please note that we have revised the design of this diffuser, as the first picture shows the updated design with slight differences and the other pictures show the older design. The new design is a fresher look to make it look more modern.