2013-2016 B8.5 Audi A4/S4 – CAP Carbon Fiber Rear Diffuser With LED Brake Light – V1 – With LED Brake Light / B8.5 A4 S-Line/ S4

B8.5 S4 Diffuser | Made Of Carbon Fiber Diffuser | Fits B8.5 Audi A4 S-Line/S4 Enhance the look of your Audi with the B8.5 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. This diffuser is crafted of high quality hand laid carbon fiber. Give Your 2013-2016 Audi A4/S4 The Agressive Rear End With Our Carbon Fiber Diffuser The B8.5 A4/S4 platform looks very aggressive when paired with an upgraded rear bumper. Here at CAP, we make sure to bring the highest-quality diffusers, making your Audi's as special as they can be! Don't forget to tag us on Instagram and use the hashtag #b8.5 s4 diffuser and #b8.5 s4 rear diffuser to get featured on our page! Make sure you compliment your new CAP carbon diffuser with one of three CAP carbon fiber trunk spoilers available. Wiring Instructions: The LED light has been refreshed to a newer design. 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. This diffuser fits a B8.5 Audi A4 S-Line & S4. It does not fit a B8.5 Audi A4 non S-Line.

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