• Audi A6 S6 C8 RS6 Style Rear Diffuser Kit with Exhaust Tips 2019-2025 White Background
  • Audi A6 S6 C8 RS6 Style Rear Bumper Diffuser Honeycomb Mesh - EliteGermanParts
  • RS6 Style Rear Diffuser Installed on Audi A6 C8 - Dark Gray Three Quarter View
  • Audi A6 C8 RS6 Style Rear Diffuser Installed - Metallic Gray View
  • RS6 Style Rear Bumper Diffuser on Audi A6 C8 - Rear View Installed
  • Audi A6 S6 C8 RS6 Rear Diffuser Honeycomb Mesh and Exhaust Opening Close-Up Detail
1 6

2019-2025 For Audi A6/S6 C8 RS6 Style Rear Diffuser Kit - Exhaust Adapters Direct Fit

$669.99
$669.99
Sale Sold out
Shipping calculated at checkout.

🔥 Transform Your 2019-2025 Audi A6/S6 C8 with the RS6 Style Rear Diffuser Kit — Aggressive Avant Performance Styling
Give your 2019-2025 Audi A6 or S6 C8 the aggressive, high-performance rear-end of the RS6 Avant with this complete RS6-style rear diffuser kit. Engineered exclusively for the C8 platform, this full upgrade package includes the RS6-style gloss black rear diffuser with honeycomb mesh, dual exhaust tip surrounds, side spats, cylindrical exhaust adapters, and all mounting hardware. Every component is precision-molded from automotive-grade materials for a direct bolt-on fit that replaces the factory rear valance — the definitive C8 rear-end upgrade for owners who demand RS-level presence.

Key Features

✅ Complete RS6 Style Rear Diffuser Kit — All Parts Included
This is the full rear-end upgrade package: RS6-style gloss black rear diffuser with honeycomb mesh center and circular exhaust openings, two side extension spats with mounting brackets, two cylindrical exhaust pipe adapters with flanged ends, and all necessary hardware. No separate purchases needed — everything arrives in one box for a complete transformation.

✅ Precision C8 Fitment — 2019-2025 A6 & S6
Engineered exclusively for the 2019-2025 Audi A6/S6 C8 chassis using precise OEM mounting data. Aligns perfectly with factory rear bumper mounting points and integrated clips — no cutting, no trimming, no forced adjustments. Direct bolt-on replacement for the stock lower valance, compatible with all C8 A6 and S6 configurations.

✅ Authentic RS6 Design Language
Features the wide honeycomb mesh center section and aggressive circular exhaust openings that define the RS6 Avant's performance look. The gloss black finish with sculpted side spats creates a seamless, high-impact rear profile that transforms the A6/S6's rear fascia from understated sedan to unmistakable performance machine.

✅ Dual Exhaust Integration — Precise Fit
The kit's circular exhaust openings are precision-cut to accommodate the RS6-style dual exhaust presentation. Included cylindrical adapters with flanged ends provide a secure, rattle-free connection between the exhaust system and the diffuser openings, while the side spats complete the aggressive lower profile.

✅ Premium OEM-Grade Construction
Crafted from high-impact PP (polypropylene) and ABS with UV-stabilized treatment — the same material grades used in OEM bumper production. The gloss black finish resists road debris, stone chips, UV fading, and extreme weather conditions. Integrated mounting tabs and clips deliver a precise, secure installation with no loss of factory functionality.

Why Choose Our RS6 Style Rear Diffuser Kit?
When upgrading your 2019-2025 Audi A6 or S6 C8, styling impact, completeness, and fitment precision are non-negotiable — our RS6 rear diffuser kit stands apart because it is a truly complete package with side spats and exhaust adapters included, engineered exclusively for the C8 platform via OEM data, features the authentic RS6 honeycomb mesh and circular exhaust design that transforms the entire rear-end presence, and is crafted from OEM-grade PP/ABS materials built to last.
🔧 15-Year Specialization: 132,387+ diffusers installed since 2010.
🚚 Next-Day US Delivery: 90% of orders ship from our West Coast warehouse within 24 hours. Free shipping & no sales tax (Continental US only).
🛡️ Zero-Risk Purchase:
14-day return: return label is provided for easy exchange.
Price match guarantee: Found a cheaper one? We will match the price and provide an additional 5% discount.

This Part Fits the Following Vehicles

Make Gen Year Model
AUDI C8 2019-2025 A6
AUDI C8 2019-2025 S6

Note: This Rear Diffuser Kit fits 2019-2025 Audi A6/S6 C8 models only. Does NOT fit C7 (2012-2018), A6L long-wheelbase with different rear valance, or Audi RS6 models.

Technical Specifications

Installation Direct OEM Replacement (Professional Installation Recommended; Requires Rear Bumper Removal)
Material High-Grade PP (Polypropylene) + ABS with UV Stabilization
Finish Glossy Black
Exhaust Openings Dual Circular with Mesh Interior
Mesh Pattern RS6 Style Honeycomb
Side Elements 2x Wedge-Shaped Spats with Brackets
Exhaust Adapters 2x Cylindrical Flanged Adapters
Product Type RS6 Style Rear Diffuser Kit for Audi A6/S6 C8
Included Components 1x Rear Diffuser, 2x Side Spats, 2x Exhaust Adapters, All Mounting Hardware
Condition New
Universal Fitment NO
Selling Units Single item
Single Package Size 170*60*40 cm
Single Gross Weight 8.00 kg

Share For Gift

Share The Product To Instagram/Facebook, Take a Screenshot And Receive a $20 Coupon!

Registered Members Only

Members Enjoy＄20 Off All Purchases! Register Now for Exclusive VIP Savings & Perks!

  • Express Delivery
  • Easy Returns
  • Expert Support
Secure checkout with
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

View Product Details
  • Shipping & Delivery
  • Refund & Return
  • FAQ

US orders

Delivery range: 48 states (excluding Alaska, Hawaii, Puerto Rico, military addresses, etc.) and Canada, etc.

Delivery method: FedEx/UPS/DHL free delivery, no PO boxes.

Time limit: depends on the region.

Free shipping within the continental US !

International orders

Cost: Shipping + tariffs are calculated separately, please contact customer service for confirmation（The transportation time is subject to the shipping standards of the Chinese warehouse）.

Logistics: FedEx/UPS/POST/DHL, etc.

Standard products

Shipment from US warehouse: shipped on the second working day after order confirmation, and delivered in 2-5 working days.

Shipment from China warehouse: shipped 2-5 working days after order confirmation, and expected to be delivered in 7-10 working days.

International orders: The time limit refers to the China warehouse standard, and the specific details need to be confirmed with customer service.

Special products

Large items (such as rims): only support sea transportation, and the transportation cycle is about 25-45 days.

Customized carbon fiber products:

Production cycle: need to be confirmed after purchase.

Transportation method: choose air transportation (total cycle 10-15 days) or sea transportation (total cycle 25-35 days) according to size.

Cancellation Policy

  • Orders can be canceled free of charge within 24 hours of placement. Refunds will be processed to the original payment method within 3-5 business days.

 

Return Policy

Timeframe

  • 14-Day Returns: Returns are accepted within 14 days of delivery. No returns/exchanges permitted after this period.
  • Customized Products: Non-returnable.

Eligibility

  • Items must be unused, undamaged, and in their original packaging with all accessories.
  • A valid proof of purchase (receipt/order confirmation) is required.
  • Returns must use the official return label provided by us.

Process

  1. Contact customer service at support@elitegermanparts.com to request a return label.
  2. Sign the inspection form upon return delivery.
  3. Report damages within 24 hours of signing. After this period, the product is assumed to be in good condition.

Cost Responsibilities

  • Customers cover round-trip shipping costs for non-defective returns.
  • Non-U.S. Customers: Must pay international shipping fees to return items to China (may be expensive).

Q1: Why do the products displayed in the store not include complete accessories?
A: The products displayed in our store do not include complete accessories. When you purchase the product, we will give you the required accessories. The accessories may be mailed with the product in 1 or 2 packages. We will provide you with the corresponding package tracking number so that you can check the logistics information in real time.

Q2: The package received is damaged, but it does not affect the installation and appearance. What should I do?
A: If the package is damaged but does not affect the installation and appearance of the product, in order to reduce your after-sales time, we will apply for part of the compensation for you. You do not need to send back the damaged package, just keep the package and the product. We will have a dedicated after-sales staff to communicate with you about compensation matters to ensure that your rights and interests are protected.


Q3: What should I do if the package is damaged and affects the installation of the product?
A: If the package is damaged and affects the installation of the product, you can rest assured that we will re-mail you a new product free of charge. Please provide photos of the damage within 24 hours after receiving the package. The photos must include the outer packaging of the package with the tracking number so that we can accurately verify the situation. We will assist you in applying for compensation from the courier and handle related matters for you throughout the process. You only need to wait patiently for the delivery of the new package.


Q4: Is the product guaranteed to be compatible?
A: All products have passed market verification and we guarantee the adaptability of the products. During the design and production process, we have undergone rigorous testing and verification of actual scenarios.


Q5: What should I do if there is incompatibility during installation?
A: If there is incompatibility during the installation process, please contact our customer service team in time. We have rich installation experience and will provide you with detailed solutions and technical support based on the specific problems you encounter to help you solve the problems in the installation process and enable the product to be installed and used smoothly.


If you have other questions or questions during the shopping process, please feel free to contact us by email at support@elitegermanparts.com, we will serve you wholeheartedly!