S5 Style Carbon Fiber Rear Diffuser - Audi A4 S4 Sedan (2015-2020) B9
S5 Style Carbon Fiber Rear Diffuser - Audi A4 S4 Sedan (2015-2020) B9
Elevate the rear aesthetics of your Audi A4/S4 B9 Sedan with the sophisticated S5 Style Carbon Fiber Rear Diffuser. This design draws inspiration from the elegant yet sporty lines of the Audi S5, featuring a refined multi-fin arrangement that enhances the vehicle's width and presents a commanding, performance-oriented stance. The diffuser integrates seamlessly with your factory bumper, delivering an OEM+ upgrade that complements the B9 platform's sophisticated character with authentic carbon fiber luxury.
Expertly crafted from premium 2x2 twill carbon fiber, this diffuser showcases a flawless weave pattern protected by a high-gloss UV-resistant clear coat. The carbon fiber construction provides significant weight reduction over the stock plastic component while offering superior durability and a striking visual appeal. This direct replacement unit arrives as a finished piece, requiring no painting before professional installation.
Key Features
• Fits Audi A4, S4 B9 Sedan (2015-2020)
• S5 Style refined multi-fin design for enhanced width and luxury appearance
• Premium 2x2 twill carbon fiber construction – flawless finish and reduced weight
• Direct OEM replacement – supplied with high-gloss clear coat, no painting required
Production & Lead Time
Each rear diffuser is made to order, with a lead time of 2–6 weeks.
Lifetime Warranty
Includes a lifetime warranty against manufacturing defects, valid only when installed by AR Bodyworks.
Vehicle Fitment
• Audi A4, S4 B9 Sedan (2015-2020)
Returns Policy
We do not offer returns, exchanges, or refunds for change-of-mind purchases or incorrect orders, as all parts are made to order.
Under the Australian Consumer Law, you are entitled to a refund, repair, or replacement if
the part you purchased:
- is faulty
- is not as described
or - does not perform as intended.
Nothing in this policy limits or replaces your rights under the law.