Upgrade the rear aesthetics of your Audi A5 S-Line or S5 B9 with our Carbon Fiber Quad Exhaust Rear Diffuser, complete with an integrated LED 3rd brake light. Designed to perfectly complement the sleek lines of the B9 coupe and sportback models, this diffuser brings aggressive RS-style design to your factory S-Line or S5 rear bumper. Crafted from premium carbon fiber and finished in a high-gloss UV-resistant clear coat, this piece adds both performance-inspired presence and premium quality to your build.
Key Features:
- RS-Inspired Quad Exhaust Design: Delivers a bold, motorsport look while enhancing the rear stance of your Audi.
- Integrated LED 3rd Brake Light: Adds a functional and stylish lighting upgrade to increase visibility and modern appeal.
- Real Carbon Fiber Construction: Lightweight, strong, and finished with a deep gloss clear coat for durability and high-end aesthetics.
- Direct OEM Fitment: Designed for a precise fit with factory S-Line and S5 rear bumpers—no major modification required.
- Enhanced Aero Styling: Improves rear-end airflow and contributes to a sportier overall appearance.
Fitment:
- Audi A5 B9 S-Line (Coupe / Sportback Only): 2018–2019
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Audi S5 B9 (Coupe / Sportback Only): 2018–2019
Compatible only with factory S-Line and S5 rear bumpers. Not compatible with base model A5 or cabriolet rear bumpers. Requires quad-tip exhaust setup for proper alignment.
Specifications:
- Material: 100% Real Carbon Fiber
- Finish: Gloss 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 highly recommended. Basic wiring is required to connect the LED brake light.
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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. |