





Enhance the side profile of your 2017–2024 Audi RS4 B9 with the BKSS Style Side Skirts Under Board, designed for improved aerodynamics, high-speed stability, and a sleek, track-inspired look.
Upgrade the side profile of your 2017–2024 Audi RS4 B9 with the BKSS Style Side Skirts Under Board. Constructed from CFRP (Carbon Fiber Reinforced Polymer), FGCF (Fiberglass Gloss Carbon Fiber), and DryCF materials, these side skirts offer lightweight durability while enhancing the vehicle’s aerodynamic performance.
The extended under-board design not only provides a track-inspired appearance but also improves high-speed stability, giving your RS4 B9 a more aggressive stance while maintaining everyday drivability. These side skirts are engineered to seamlessly integrate with the factory body lines, ensuring a clean, professional fit that elevates the overall aesthetics of your vehicle.
Key Features:
Constructed from CFRP, FGCF, and DryCF materials for durability and lightweight performance
Track-inspired appearance for a more aggressive and aerodynamic side profile
Improves high-speed stability and reduces drag
Precision fitment for 2017–2024 Audi RS4 B9 models
Easy installation with seamless integration into factory body lines
Fitment:
Audi RS4 B9 (2017–2024)
Package Content:
One pair of side skirts under board