2017-2019 Audi RS4 Style A4 diffuser with tailpipe For Audi A4 S4 B9

$655.00

Color: Non S line RS4 style rear diffuser with tailpipe

Non S line RS4 style rear diffuser with tailpipe
S line RS4 style rear diffuser with tailpipe
S line ABT Style rear diffuser with tailpipe

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Description

2017-2019 Audi A4/S4 (B9) RS4 Style Rear Diffuser with Quad Tailpipes

🔥 OEM+ Fitment | Aggressive RS4 Styling | High-Grade ABS Construction

Transform your B9 A4/S4 with this RS4-inspired rear diffuser, featuring:

✔️ Perfect Fit for 2017-2019 A4/S4 (B9 Platform)
✔️ Premium ABS Plastic – OEM-grade durability with textured matte black finish
✔️ Integrated Quad Exhaust Outlets – Complete RS4 appearance
✔️ Direct Bolt-On Installation – No bumper modification required

🚀 Key Benefits:

✅ B9-Specific Engineering – Seamless bumper integration
✅ Reinforced Mounting System – Enhanced stability at highway speeds
✅ Pre-Drilled for Parking Sensors (specify when ordering)
✅ Compatible with All Exhaust Setups

⚠ Critical Notes:

❗ For B9 A4/S4 Models ONLY
❗ Professional Installation Recommended
❗ Surface Prep Required (kit included)
❗ Will NOT fit factory RS4 models

🔧 Installation Features:

• Uses 10 Factory Mounting Points
• Marine-Grade Stainless Hardware
• Detailed Digital Installation Guide

⏱️ Fast Shipping:

📦 Ships within 24hrs 
🚚 Free Continental US Shipping
📲 Installation Video Available

🔥 Limited Edition Batch

Only 3 complete kits remaining

Why This Diffuser?

✓ Wind Tunnel Tested Design – Reduces rear turbulence
✓ 3.5mm Thick ABS Construction (35% thicker than competitors)
✓ 1-Year Replacement Warranty
✓ Used by 1,800+ B9 Owners

Achieve the RS4 look without RS4 prices!

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 RS4 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 RS4 diffuser today!

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