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Sharper Rear Styling Without Replacing the Trunk Lid
Give your 2020–2024 Audi A4 or S4 B9.5 Sedan a cleaner, more defined rear profile with a lightweight OEM-style carbon fiber spoiler designed around the factory trunk contours.
Approximately 305g
Lightweight dry carbon construction adds visual presence without a bulky appearance.
Matte or Glossy
Choose the finish that best matches your existing carbon fiber parts and exterior styling.
No Drilling Required
Adhesive-mounted add-on installation using the supplied pre-cut mounting tape.
Quick Fitment Check
- Designed for 2020–2024 Audi A4 B9.5 Sedan.
- Designed for 2020–2024 Audi S4 B9.5 Sedan.
- Fits Sedan trunk lids only.
- Does not fit Avant, Allroad, Wagon, RS4 or pre-facelift B9 models.
- If your vehicle already has a factory or aftermarket spoiler, contact us with a rear-view photo before ordering.
A More Complete OEM+ Rear Profile
The factory trunk can look visually understated, especially after adding darker wheels, a rear diffuser or other carbon fiber exterior parts. This spoiler extends the trunk line with a restrained raised edge that adds definition without overpowering the original body design.
Vehicle-Specific Shape
Molded for the B9.5 Sedan trunk profile instead of using a universal straight spoiler design.
Visible Carbon Weave
Real 3K carbon fiber creates a more authentic finish than printed or carbon-look plastic.
Reversible Add-On
The spoiler mounts above the original trunk surface and does not replace the trunk lid or require drilled mounting holes.
Material and Finish
| Construction | Real 3K dry carbon fiber |
|---|---|
| Approximate Weight | 305g |
| Available Finishes | Matte or glossy |
| Installation Type | Adhesive-mounted tape-on add-on |
| Drilling | Not required |
| Position | Rear trunk lid |
Vehicle Compatibility
| Model | Chassis | Years | Body Style |
|---|---|---|---|
| Audi A4 | B9.5 | 2020–2024 | Sedan only |
| Audi S4 | B9.5 | 2020–2024 | Sedan only |
Not compatible with: Audi A4 Avant, A4 Allroad, S4 Avant, RS4, B8/B8.5 or pre-facelift B9 models. Model year alone is not always enough—please confirm the chassis and trunk shape before ordering.
Drill-Free Installation
- Clean and completely dry the trunk mounting surface.
- Place the spoiler on the trunk and confirm its alignment before exposing the tape.
- Remove the tape backing gradually while keeping the spoiler correctly positioned.
- Press firmly and evenly along the complete mounting edge for 1–2 minutes.
- Keep the area dry and avoid aggressive driving for at least 24 hours after installation.
Installation note: Test-fit the spoiler before removing any adhesive backing. Installation should be completed in a clean, dry and reasonably warm environment for proper adhesion.
What’s Included
- 1 × Real carbon fiber rear spoiler
- 1 × Pre-cut mounting tape
- 1 × Installation guide
Frequently Asked Questions
Is this a replacement spoiler?
No. This is an adhesive-mounted add-on spoiler. It installs on the original trunk lid and does not replace any factory body panel.
Does installation require drilling?
No drilling is required. The spoiler is secured using the supplied pre-cut automotive mounting tape.
Will it fit an Audi A4 Avant or Allroad?
No. This version is designed for the B9.5 A4 and S4 Sedan trunk shape and does not fit Avant, Allroad or Wagon models.
Will it fit a 2017–2019 Audi A4 or S4?
No. This option is designed for the facelifted B9.5 body style. Pre-facelift B9 models use a different trunk profile.
Should I choose matte or glossy carbon fiber?
Choose the finish that matches your other exterior parts. Glossy provides a more reflective clear-coated appearance, while matte creates a more subdued carbon finish.
What if my car already has a spoiler?
Fitment may be affected by an existing factory or aftermarket spoiler. Send us a clear rear-view photo before ordering so the trunk configuration can be checked.
Confirm the Fit Before You Order
Not sure whether your Audi is B9 or B9.5? Send your model year and a clear rear-view photo to service@asigncar.com for a compatibility check.
