***In Stock & Ready to Ship!***
Carbon Fiber Diffuser For 2017-2019 A4/S4
Quad Exhaust Tip Openings
Please choose the correct model of your vehicle when placing your order, as the B9 Audi A4 non S-Line has different fitment compared to the B9 Audi A4 S-Line & S4. Both diffusers come with quad exhaust tip opening.
Brake Light Wiring:
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 carefully choose the right model of your vehicle, as the A4 non S-Line has different fitment compared to the A4 S-line/S4.
PLEASE NOTE. SOME B9 A4 NON S-LINE CARS HAVE THE S-LINE REAR BUMPER. PLEASE CONFIRM PRIOR TO PURCHASING.
Model Vehicle Fitment:
|AUDI||B9||2017-2019||A4 non S-Line|