**Please specify whether you have a B8 S4 (2008–2012) or a B8.5 S4 (2013–2016) to ensure we send you the correct diffuser in the same style.**
Elevate the rear styling and aerodynamics of your Audi A4 S-line or S4 B8/B8.5 with this Carbon Fiber Rear Bumper Diffuser. This diffuser lip is engineered to enhance both form and function, giving your vehicle a sportier, more aggressive profile. Constructed from premium-grade carbon fiber, it’s both lightweight and durable, with a high-gloss finish that complements the A4/S4 aesthetic.
Key Features:
Fitment:
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: | 7-10 business days |
| International: | 10-30 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. |
perfect fit and great quality
came pretty fast and was packaged very well. no complaints here
