Apex Aero Design Rear Diffuser Gloss Black (ABS) – Sport Styling for Audi A3 S-Line 8Y Sedan Facelift (2020-2024)

The Apex Aero Design rear diffuser transforms the look of the Audi A3 S-Line 8Y Sedan (2020-2024) with an aggressive, competition-inspired design. Made from high-quality ABS with a gloss black finish, it offers a millimeter-perfect fit thanks to 3D scanning and installs with no need to drill the original bumper.

Key features

• High-strength ABS plastic – Withstands minor impacts and resists UV degradation without warping.
• Factory gloss black finish – Ready to mount, with no need for additional paint.
• Exact fit via 3D scanning – Design specific to the S-Line bumper of the A3 8Y Sedan.
• Installation with included 3M tape – Quick, secure drill-free mounting, suitable for DIY.
• Weather resistance – Built for extreme temperatures and adverse conditions.

Technical specifications

• Material: Flexible, durable ABS plastic
• Finish: Piano Black / Gloss
• Body: Sedan
• Fixing method: Automotive-grade 3M adhesive tape (included)

Compatibility

• Models: Audi A3 S-Line 8Y Facelift
• Versions: Sedan only (requires the S-Line package)
• Years: 2020, 2021, 2022, 2023, 2024
• Engines: All engine and trim variants

Why choose Apex Aero Design

Unlike stock diffusers, this model adds depth and sporty character to the rear of the vehicle. Compared to fiberglass alternatives, the ABS does not crack from vibrations and maintains its uniform shine for years with no special maintenance.

Frequently asked questions

• Does it fit the Sportback version? No, this diffuser is designed specifically for the Sedan body of the A3 S-Line 8Y.
• Do I need professional tools? No, installation is done with the included 3M tape by following the cleaning and alignment steps.
• Can it be painted? Yes, although it already comes in gloss black, the ABS can be painted if you want another color.

Installation instructions

1. Clean the bumper surface with isopropyl alcohol.
2. Dry-fit the piece to verify the fit.
3. Remove the 3M tape liner.
4. Align and press the diffuser firmly against the bumper.
5. Avoid washing and high speeds for the next 24 hours.

Package contents

• 1x Apex Aero Design rear diffuser (Rear Valance)
• High-tack double-sided 3M adhesive tape

Shipping and warranty

Product in stock with fast shipping. Full compatibility guarantee with the specified models.