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 this BKSS Style carbon fiber rear decklid spoiler. Designed to add a sporty and aerodynamic accent, this spoiler enhances the trunk profile with a clean motorsport-inspired appearance.

The BKSS Style rear decklid spoiler is designed to improve rear airflow presence while adding a subtle yet aggressive carbon fiber detail. Its clean lines and premium finish complement the factory body design, making it a strong upgrade for daily drivers, show builds, and carbon fiber exterior styling packages.

Crafted from CFRP or FGCF material options, this rear spoiler delivers lightweight construction, durable quality, and premium exterior appeal. Designed for 2017-2024 Audi RS4 and S4 B9/B9.5 models, each package includes one rear spoiler.

Product Specifications

Key Features

• BKSS Style rear decklid spoiler designed for Audi RS4 and S4 B9/B9.5 models
• Designed for 2017-2024 Audi RS4 and S4 models
• Adds a sporty and aerodynamic rear-end accent
• Available in CFRP and FGCF material options
• Enhances the rear decklid area with premium carbon fiber styling
• Clean spoiler profile complements the factory trunk design
• Improves rear airflow presence and visual balance
• Installs using double-sided tape and adhesive
• Designed for a flush and secure fit without modification
• Includes one rear spoiler

Configuration Options

• Material Option: Available in CFRP or FGCF material options
• Rear Spoiler Setup: BKSS Style spoiler enhances the Audi RS4 and S4 rear decklid profile
• Installation Setup: Designed for installation using double-sided tape and adhesive
• Exterior Styling: Carbon fiber and forged carbon fiber finishes add a premium sport-inspired rear detail
• Package Setup: Includes one rear spoiler

Package Includes

• One rear spoiler

Note: Professional installation is recommended. Test fitting is recommended before final installation. This rear decklid spoiler is designed to enhance the Audi RS4 and S4 B9/B9.5 rear profile with BKSS-inspired carbon fiber styling. Final fitment may require minor adjustments depending on the vehicle and selected material option.

Installation

• Designed for installation on the rear decklid / trunk area
• Installs using double-sided tape and adhesive
• Professional installation is recommended for proper alignment and secure fitment
• Clean and prep the mounting surface before installation
• Test fitting is recommended before final mounting

Fitment

• 2017-2024 Audi RS4 B9
• 2017-2024 Audi RS4 B9.5
• 2017-2024 Audi S4 B9
• 2017-2024 Audi S4 B9.5

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.