2020-2024 For Audi A3 S3 8Y S line rear diffuser and large dual tailpipe

Product Description

Give your 2020-2024 Audi A3/S3 8Y S‑Line a real performance‑car personality with this aggressive rear diffuser and large dual tailpipe exhaust tips. Unlike standard diffusers that look like an afterthought, this design transforms the entire rear end, giving your S‑Line or S3 a true RS3-inspired presence – complete with massive exhaust finishers that command attention.

The 8Y generation A3/S3 already has sharp styling, but the factory rear valance is far too bland. This diffuser replaces it with a bold, honeycomb lower section and oversized dual outlets that perfectly frame 4‑inch round tips or RS3‑style ovals (100x75mm). Not only does it look the part, but this diffuser also improves rear‑end aerodynamics by smoothing airflow and reducing drag. The large‑diameter tips are functional – they come with supplementary exhaust pipes that must be installed to route exhaust gases away from the diffuser and prevent melting. This is the same material used by leading aftermarket brands, manufactured in our ISO‑certified facility and backed by a 1‑year warranty.

⚠️ Critical Fitment Note (Read Carefully): This diffuser is exclusively for Audi A3 8Y (2020‑2024) and S3 8Y (2020‑2024) models equipped with the S‑Line exterior package. It is not compatible with the Standard (non S‑Line) bumper or the RS3 (different rear bumper). We offer two versions: one for Sedan (Saloon) and one for Sportback (Hatchback). Choose the correct one for your body style. The supplementary exhaust pipes and heat shield must be fitted to avoid heat damage. If you have a hands‑free trunk (kick‑to‑open sensor), please note that this diffuser does not support the foot sensor in most designs – functionality may be lost.

📌 Complete 1‑Stop Conversion Kit: Includes rear diffuser + large dual tailpipe exhaust tips (oversized) + supplementary exhaust pipes + self‑tapping screws + 3M VHB tape + heat shielding + installation manual.

Aerodynamic Benefits: The honeycomb lower section helps smooth airflow, reducing drag by up to 15% and improving high‑speed stability.

Serving both individual enthusiasts (B2C) and businesses (B2B):
✅ US warehouse for fast shipping
✅ CE certified for quality assurance
✅ 1‑year warranty for peace of mind
✅ Factory direct – competitive pricing
✅ Dropshipping & wholesale programs available
✅ Custom OEM/ODM orders welcome

5 Key Features

1. Aggressive RS3‑Style Design with Oversized Dual Outlets
Give your A3/S3 S‑Line the aggressive look of the RS3 with this diffuser. The enlarged dual‑outlet openings are specifically designed to accommodate large 4‑inch round tips or RS3‑style ovals (100x75mm), creating a truly menacing rear profile. The honeycomb lower section adds a motorsport‑inspired texture that complements the car's sharp lines.

2. Complete Kit with Large Dual Tailpipe Exhaust Tips & Supplementary Pipes
All‑in‑one kit includes the diffuser and large‑diameter exhaust tips (choose polished stainless steel or black chrome). Supplementary exhaust pipes and heat shielding are provided to extend your OEM exhaust pipes to the new tip location and safely route gases away from the diffuser. Using these components is mandatory – failure to do so will cause heat damage and void the warranty.

3. Premium UV‑Stabilized ABS Construction (TÜV Certified)
Manufactured from high‑quality UV‑stabilized ABS polymer – the same material used in OEM bumpers. The deep high‑gloss black finish is UV‑protected to prevent fading, yellowing, or bubbling. No painting required – ready to install. The material is up to 10mm thick for increased impact resistance. This product has received TUV MATERIALGUTACHTEN certification for material quality. A premium pre‑preg dry carbon fiber version is also available for weight savings and a high‑end aesthetic.

4. Direct Fitment for 8Y S‑Line (2020‑2024) – No Cutting Required
Engineered using 3D scanning technology for a perfect OEM+ fit onto your factory S‑Line rear bumper. Installs with no drilling, cutting, or modification when using factory mounting points – simply press the diffuser into place until the tabs click. Self‑tapping screws are provided for additional security. Every kit includes detailed instructions and a heat shield placement guide.

5. CE & TUV MATERIALGUTACHTEN Certified + Heat Protection System
This diffuser is CE certified and TUV MATERIALGUTACHTEN certified – meeting European safety and quality standards. The included supplementary exhaust pipes and heat shielding protect the diffuser from melting, a common problem with poorly designed aftermarket diffusers. We back this product with a 1‑year warranty against manufacturing defects (delamination, yellowing, cracking, or heat‑related damage when using the supplied supplementary pipes).

Specifications

What's in the Box

• 1 × Aggressive rear diffuser

• 2 × Large dual tailpipe exhaust tips

Installation & Safety Guide

Professional installation is strongly recommended – do not attempt DIY unless you are a qualified technician.

Installation Time: 2–3 hours | Difficulty: Advanced

Important Safety Notice: When working underneath your vehicle, always use approved jack stands. Never work under a car that is only supported by a floor jack.

Shipping & Returns

 20-Year Specialization: 158000+ bumpers installed since 2006.

• Shipping: Worldwide delivery. In-stock US orders ship within 1-3 business days. International orders: 22-25 business days. Free shipping & no sales tax(Continental US only).

• Returns: If the kit does not fit, arrives damaged, or you are unsatisfied, return it within 15 days as long as it remains uninstalled and unpainted – free return shipping for genuine fitment issues. Combined with our 1-year warranty, this risk-free policy gives body shops, resellers, and DIYers complete confidence when ordering For Audi facelift kits. Contact us for wholesale pricing and US stock availability.

• Warranty: 1-year warranty against manufacturing defects.

Frequently Asked Questions

Q1: Will this fit my 2020‑2024 Audi A3/S3 8Y with the Standard (non S‑Line) exterior package?

A: No. This diffuser is exclusively for vehicles equipped with the S‑Line exterior package. It will not fit standard A3/S3 models. The S‑Line bumper has a different shape and mounting points.

Q2: How do I know if my A3 has S‑Line or non S‑Line?

A: The S‑Line exterior package includes sportier front/rear bumpers, side skirts, and S‑Line badging on the front wings. If your A3 has a smooth, non‑aggressive rear bumper without the recessed diffuser area, you have the Standard (non S‑Line) bumper.

Q3: Does the kit include exhaust tips and the necessary hardware to make them fit?

A: Yes! The complete kit includes large dual tailpipe exhaust tips, supplementary exhaust pipes, clamps, heat shielding, self‑tapping screws, and 3M VHB tape. Everything needed for a full conversion is included.

Q4: What happens if I don’t install the supplementary exhaust pipes and heat shielding?

A: Your diffuser will melt. The exhaust gases will be directed onto the ABS plastic, causing warping and permanent damage. This damage is not covered by warranty. The included supplementary pipes and heat shield must be installed exactly as shown in the manual.

Q5: Does this diffuser require drilling or cutting?

A: No drilling, cutting, or modification of your bumper is required when using factory mounting locations. However, the OEM exhaust pipes must be cut to attach the supplementary pipes – this is a normal exhaust modification.

Q6: Will the trunk kick‑to‑open (foot sensor) still work after installation?

A: No. This diffuser does not support the foot sensor. The function will be disabled once the diffuser is installed. Please order prudently if you rely on this feature.