Transform the rear end of your Audi A4 S-Line or S4 B9.5 with our Carbon Fiber Quad Exhaust Rear Diffuser, now featuring an integrated LED 3rd brake light. Designed to complement the updated B9.5 facelift models, this diffuser brings aggressive RS-inspired styling while maintaining OEM-level fit and finish. Crafted from premium carbon fiber and coated in a high-gloss, UV-resistant clear coat, it’s the perfect upgrade to elevate both the look and presence of your vehicle.
Key Features:
- Aggressive Quad Exhaust Design: Gives your rear bumper a wider, more performance-oriented appearance.
- Integrated LED 3rd Brake Light: Provides added safety and a modern, high-end visual touch.
- High-Quality Carbon Fiber Construction: Lightweight and durable with a deep gloss finish for premium aesthetics.
- OEM-Compatible Fitment: Direct fit for B9.5 S-Line and S4 rear bumpers with no major modifications required.
- Aerodynamic Styling: Enhances rear airflow and adds a sportier edge to your Audi’s profile.
Fitment:
- Audi A4 B9.5 S-Line (Sedan Only): 2020–2024
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Audi S4 B9.5 (Sedan Only): 2020–2024
Fits only factory S-Line and S4 rear bumpers. Not compatible with base model A4 rear bumpers. Requires quad-tip exhaust configuration for proper alignment.
Specifications:
- Material: 100% Real Carbon Fiber
- Finish: Glossy UV-Resistant Clear Coat
- Style: RS-Inspired Quad Exhaust Diffuser with Integrated LED Brake Light
Package Includes:
- 1x Carbon Fiber Rear Diffuser
- 1x Integrated LED 3rd Brake Light
Installation Notes:
Professional installation is recommended. Basic wiring is required for LED brake light integration.
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Shipping Information for Performance Parts
We proudly ship parts worldwide! All orders are processed Monday through Friday. Please allow 1-3 business days for order processing before shipment. We do not ship on weekends or public holidays.
| Estimated Shipping Times: | |
| U.S. & Canada: | 7-21 business days |
| International: | 10-35 business days (varies by location and customs processing) |
| Larger or Oversized Items: | May take longer due to handling, packaging, and freight requirements |
Shipping times may be affected by product availability, high demand, holidays, or unforeseen circumstances. For order updates, contact us at info@eguysperformance.com or DM us on Instagram @eguysperformance with your order number.
| Shipping Rates: | Calculated at checkout based on location and order weight |
| Customs & Import Taxes: | International orders may incur fees, duties, and taxes determined by local customs offices. These charges are the buyer’s responsibility. We are not liable for customs delays. |
What Does the E Guys Performance Lifetime Warranty Cover?
Our Lifetime Warranty is designed to give you peace of mind. Here’s what’s included:
| Available to the Original Purchaser: | This warranty applies exclusively to the original purchaser of the product. Coverage is valid for purchases made directly from E Guys Performance or through an authorized dealer. |
| Manufacturer Defects: | We cover defects in materials or workmanship. If a product fails due to a manufacturing issue, we will repair or replace it at no cost. |
| Shipping Costs for Warranty Claims: | We cover shipping costs for replacement parts on approved warranty claims, so you won’t incur additional fees. |
What Isn’t Covered?
| Improper Use or Installation: | Damage from incorrect installation, misuse, accidents, or normal wear and tear is not covered. |
| Modifications: | Any modifications made to the product will void the warranty. |
| Intended Use: | Products must be used as intended for the warranty to remain valid. |