Darwinpro 2017-2024 Audi RS4 B9 BKSS Style Rear Diffuser with Winglets
Condition: Brand New
Material: CFRP & FGCF & DryCF
Fits 2017-2024 Audi RS4 B9
Package Contents:
One Rear Diffuser with LED Light
One pair of Rear Winglets
Part No: CF8374BKSS-RD CF8374BKSS-RLCA
Have Questions about Material options? Visit our Parts Material FAQ's Page!
Fitment & ordering
Confirm your vehicle year, model, chassis, body style and selected material before ordering. Contact EUDM Autosports for fitment guidance and an installation quote in Long Island City, Queens.
Availability & pre-orders
Material options marked Pre-Order are made to order and have zero physical stock. Supplier-stocked options typically dispatch from the supplier's New Jersey warehouses within 2–3 business days; please confirm availability before ordering.
The supplier lists estimated pre-order arrival times of 6–7 weeks by air (additional shipping charge) or 3–4 months by container. These are estimates; contact us to confirm timing and shipping charges for your selected option.
Pre-order material options: CFRP - Carbon Fiber - Pre-Order; FGCF - Forged Carbon Fiber - Pre-Order; DryCF - Autoclave Carbon Fiber - Pre-Order.