2017 - 2024 Audi RS4 B9 B9.5 & S4 B9 B9.5 BKSS Style Rear Decklid Spoiler

Finish off the rear end of your Audi RS4 or S4 with the BKSS Style Rear Decklid Spoiler. Crafted from high-quality CFRP and FGCF, this lightweight spoiler adds a sporty, aerodynamic accent that enhances both appearance and airflow. Its clean lines and premium carbon finish make it a perfect upgrade for daily drivers and show builds alike.

Designed for 2017–2024 Audi RS4 and S4 B9/B9.5 models, this spoiler installs easily with double-sided tape and adhesive, offering a flush and secure fit without modification.

Fitment: 2017-2024 Audi RS4 B9 B9.5 & S4 B9 B9.5
Package Content: One rear spoiler

Made To Order Shipping Information Made-to-Order Items: If a material option shows "MADE TO ORDER", it means that specific option is currently out of stock and will be produced upon order. Customers can choose from the following shipping methods: * Standard Shipping And Handling (no extra cost) with an ETA of 3-4 months. * Expedited Shipping And Handling (additional cost: $550) with an ETA of 5-6 weeks. In-Stock Items: If a product does not display "Made To Order" when selecting a material option, then it is in stock. It will be shipped from our warehouses within 3-5 business days, plus shipping time.

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.