Upgrade the rear styling of your Audi S4 B9 Sedan (2017–2024) with this Carbon Fiber Rear Diffuser.
Designed to enhance the factory bumper lines, this sport-inspired diffuser delivers a sharper and more aggressive rear profile while maintaining a clean OEM+ aesthetic.
✔️ Fits Audi S4 B9 Sedan (2017–2024)
✔️ Carbon fiber construction / finish
✔️ Precision fitment
✔️ Sport performance styling
✔️ Easy installation design
Perfect for S4 owners looking to elevate their build with a refined yet aggressive rear-end upgrade.
