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Asign Glossy Black Rear Diffuser for 2021–2024 Audi Q5/SQ5 B9.5

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$799.00 USD
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Sharpen the Rear Profile of Your Q5

Give your Audi Q5 or SQ5 B9.5 a lower, wider and more aggressive rear appearance with this full-width gloss black rear diffuser. Designed around the factory rear bumper shape, it adds a cleaner performance-inspired finish without making the vehicle look overdone.

Why Upgrade?

  • Full-Width Rear Upgrade: Reworks the lower bumper area for a noticeably sportier stance.
  • Gloss Black Finish: Creates strong contrast against the factory paint and pairs naturally with other black exterior trim.
  • Model-Specific Shape: Designed around the B9.5 Q5/SQ5 rear bumper rather than using a universal diffuser.
  • OEM+ Appearance: Adds visual aggression while keeping the rear design clean and integrated.

Vehicle Fitment

Compatible Models:

  • 2021–2024 Audi Q5 B9.5
  • 2021–2024 Audi SQ5 B9.5

Important: Rear bumper and exhaust configurations can vary by model, trim and previous modifications. Please compare your rear bumper and exhaust outlet layout with the product photos before ordering.

Sportback Owners: Q5/SQ5 Sportback compatibility is not confirmed by the current product specification. Please contact us with a clear rear photo before ordering.

More Aggressive Without Looking Aftermarket

The extended lower profile and sculpted side sections visually reduce the height of the rear bumper and emphasize the width of the vehicle. The result is a more planted performance look that works especially well with black exterior accents, upgraded exhaust tips, side skirts or a rear spoiler.

Gloss Black Finish

The high-gloss black surface gives the lower rear bumper a deeper, cleaner appearance and creates a strong contrast against lighter exterior colors. On darker vehicles, it blends into the body for a more subtle OEM+ finish.

Installation

This is a full-size rear diffuser component rather than a small adhesive trim piece. Installation involves working around the lower rear bumper and exhaust area.

Professional installation is recommended to ensure correct alignment, secure mounting and proper clearance around the exhaust outlets.

Check Before Ordering

  • Confirm your vehicle is a 2021–2024 Q5 or SQ5 B9.5.
  • Compare your factory rear bumper with the product photos.
  • Check your exhaust outlet configuration.
  • If your vehicle has an aftermarket exhaust or modified rear bumper, contact us before ordering.

What's Included

1 × Rear Diffuser

Frequently Asked Questions

Is this a universal rear diffuser?

No. It is shaped specifically for compatible 2021–2024 Audi Q5/SQ5 B9.5 rear bumper configurations.

Does it fit both Q5 and SQ5?

The current product specification lists both Q5 and SQ5. Because rear bumper and exhaust layouts can vary, we recommend comparing your vehicle with the product photos before ordering.

Will it fit a Q5 Sportback?

Sportback fitment is not currently confirmed. Please send us a clear photo of your rear bumper for verification before purchasing.

Can I install it myself?

Experienced installers may be able to complete the installation, but professional installation is recommended because proper bumper alignment and exhaust clearance are important.

Asign Glossy Black Rear Diffuser For B9.5 2021-2024 Audi Q5/SQ5 Asign Carbon Fiber Rear Diffuser For B9.5 2021-2024 Audi Q5 Asign Glossy Black Rear Diffuser For B9.5 2021-2024 Audi Q5/SQ5 Asign Carbon Fiber Rear Diffuser For 2021-2024 B9.5 Audi Q5 Asign Carbon Fiber Rear Diffuser For B9.5 2021-2024 Audi Q5
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Frequently Asked Questions
What makes Asign different from other brands?
Asign stands out by offering meticulously designed carbon fiber kits that fit seamlessly with a variety of vehicle models. Our commitment to precision, use of high-quality materials, and focus on ease of installation set us apart in the market.
Why should I choose Asign's carbon fiber kits?

A1: Precision Design & Fit

Our design process strictly follows original vehicle specifications to ensure a perfect fit for your car. We approach each product with exceptional care and attention to detail.

A2: High-Quality Materials & Manufacturing
Asign uses the highest precision steel molds for production, reducing errors and maximizing accuracy. We employ pre-impregnated carbon fiber for all our products, making them genuine and lightweight, yet as strong as steel.

A3: Easy Installation & Non-Destructive Removal
Most of our carbon fiber kits can be installed in under 10 minutes (excluding special items like Front Splitters, Rear Diffusers, and Exhaust Tips). Designed for quick installation and removal without damaging your car's surface, our products offer both convenience and flexibility.

How does Asign ensure product quality?
Asign upholds strict quality control standards throughout the production process. We use premium materials and advanced manufacturing techniques, followed by comprehensive testing to ensure every product meets our high standards for performance and durability.
What if I have a quality issue with my product?
If you encounter any quality issues with your Asign product, please contact our customer service team right away. We will promptly address your concerns and offer solutions, including replacements or refunds, as appropriate.
How can I make sure the product I order fits my vehicle?
Before placing an order, carefully check your vehicle's specifications and refer to the product description for compatibility information. If you have any questions or concerns, our customer service team is always available to provide personalized advice and guidance.
What is Asign's return policy?
Our return policy varies depending on the specific product and the reason for the return. Please refer to our website or contact our customer service team for detailed information on our return and exchange procedures.