2017-2019 B9 Audi A4/S4 - CAP Carbon Fiber Diffuser - V1

Carbon Fiber Diffuser For 2017-2019 A4/S4

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 while still remaining elegant.

Quad Exhaust Tip Openings

This diffuser comes with quad exhaust tip opening. Pairs really nicely with our M4 style carbon fiber spoiler. Have you checked our B9 honeycomb grill? Its a must have combo!

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. Self tapping screws are required for proper fitment.

Please note, this product only fits the B9 A4 S-Line/S4 Model. If you have a B9 A4 Non S-Line, please click the highlighted link.