2020-2024 Audi S4 Style A4 S Line carbon fiber diffuser with tail pipe For Audi A4 S4 B9.5

$842.00

Color: S4 carbon fiber diffuser K style

S4 carbon fiber diffuser K style
S4 carbon fiber diffuser R style

With Tail Pipe: Yes

Yes
No

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Description

2020-2024 Audi A4/S4 (B9.5) S4 Style Carbon Fiber Rear Diffuser with Quad Tailpipes

🔥 OEM+ Fitment | S Line Compatible | Real Carbon Fiber Construction

Elevate your B9.5 A4/S4 (S Line) with this aggressive S4-style diffuser, featuring:
✔️ Perfect Fit for 2020-2024 A4/S4 B9.5 (S Line bumpers)
✔️ Authentic 2×2 Twill Carbon Fiber – UV-resistant epoxy coating
✔️ Integrated Quad Exhaust Outlets – Complete OEM+ look
✔️ Direct Replacement Design – No bumper modification


🚀 Key Benefits:

 Precision S Line Fitment – Seamless integration
 Dry Carbon Fiber Option Available (+$199)
 Pre-Drilled for Parking Sensors
 Includes High-Strength Mounting Tape


⚠ Critical Notes:

 For B9.5 S Line Models ONLY – Verify your trim
 Professional Installation Recommended
 72-Hour Adhesive Cure Time


🔧 Installation Features:

 OEM Mounting Points + Adhesive – Ultra-secure hold
 Surface Prep Kit Included (Alcohol wipes + microfiber)
 Laser-Measured Alignment – Perfect gaps guaranteed


⏱️ Shipping & Support:

📦 Ships in 24hrs
🚚 Free Express US Shipping
💡 Video Installation Guide Available


🔥 Limited Edition – Only 7 Units Left!


📦 Complete Package Includes:

  • Carbon fiber diffuser (3K gloss finish)

  • Quad exhaust tip surrounds

  • 3M™ VHB™ equivalent adhesive

  • Installation toolkit


📸 Fitment Guarantee:

Send us your bumper photos – we'll confirm compatibility instantly


Why This Diffuser?

 2023 Redesigned Version – Improved S Line compatibility
 Aerodynamically Tuned – Reduced rear lift by 12%*
 2-Year Delamination Warranty
 Used by 1,200+ B9.5 Owners

Upgrade your S Line A4/S4 with show-quality carbon fiber today!

Shipping Time

Once you place an order, we will confirm it for you quickly and contact you by email. In order to ensure that the products can fit to your car, I hope you can send us a picture of your car by email for confirmation.

After confirmation, we will deliver it to you by FedEx or UPS or POST or DHL. Most products can be shipped from the United States on the second working day, and you will receive it within 2-5 working days. Some products need to be shipped from China within 2-5 working days, and you will receive it within 7-10 working days.

Some large-sized products, such as bumpers, cannot be transported by express delivery. We will transport them by sea, and the delivery time is about 25-45 days.

Some carbon fiber products need to be customized, which can be confirmed after purchase. If the size of the diffuser can be delivered by express delivery, we will give priority to express delivery.If the diffuser is large in size and cannot be delivered by express delivery, we will transport it by air or sea. Plus the customization time, it takes about 10-18 days by air and 25-35 days by sea.

Shipping Tips

Once ordered, your selected grille will be handed over to the courier the next working day and assigned a tracking number, which you will receive via email. The badge will arrive in a separate package and will also have its own tracking number. Therefore, in order not to delay your delivery time, please do not change the order information. If you need to change it under special circumstances, please contact us by email.

Reason for selection

Use the S4 carbon fiber rear diffuser we provide to give your Audi A4/S4 a brand new look! The production of the Audi diffuser involves precision engineering and meticulous attention to detail. Starting with the selection of quality materials, skilled craftsmen expertly shape and perfect the diffuser's design. Advanced machinery and cutting-edge technology are used to ensure a perfect match with Audi models. From initial design concept to final assembly, every step is carried out with a commitment to excellence, giving your Audi a flawlessly stylish upgrade.
This diffuser will fit: Upgrade the look of your Audi with our S4 diffuser today!

Customer Reviews

Based on 3 reviews
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(2)
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33%
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A
Arthur Porcelli
Rear Diffuser

The rear diffuser is very nice looking and very thick but it has no play whatsoever and does not fit my bumper . I had to screw it in with many screws and it still does not fit

C
Colee
i think i want grill too

i just order rear diffsuer for my car ,i think i will order grill next month

C
C.K.
ship fast

thx good service ,fit prefect