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.
Exclusive In-House Installation
Installation only by AR Bodyworks to ensure precise fitment and a flawless finish. This product is not available for self-installation or third-party fitting.
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)
Note: Warranty is void if modified or installed outside AR Bodyworks.
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.
Exclusive In-House Installation
Installation only by AR Bodyworks to ensure precise fitment and a flawless finish. This product is not available for self-installation or third-party fitting.
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)
Note: Warranty is void if modified or installed outside AR Bodyworks.
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