ECS TUNING
0 ratings
ECS - Rear Diffuser (Gloss Black) Compatible with Audi B8.5 S4 / A4 S-Line
genuine image
ECS - Rear Diffuser (Gloss Black) Compatible with Audi B8.5 S4 / A4 S-Line
Upgrade your exterior styling with the ECS Tuning Gloss Black Rear Diffuser that will be sure to catch attention and turn heads.
ECS - Rear Diffuser (Gloss Black) Compatible with Audi B8.5 S4 / A4 S-Line
Item #: 119387869

ECS - Rear Diffuser (Gloss Black) Compatible with Audi B8.5 S4 / A4 S-Line

85% of respondents would recommend this to a friend

Item #: 119387869
0 ratings Write a review
Out of stock
us Imported from USA store
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Upgrade your exterior styling with the ECS Tuning Gloss Black Rear Diffuser that will be sure to catch attention and turn heads.
Search for similar products
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Glossy Finish
The sleek gloss black finish enhances the vehicle's aesthetics, giving it a sporty and sophisticated look that stands out on the road.
Precision Fit
Designed specifically for Audi B8.5 S4 and A4 S-Line, ensuring a seamless installation that integrates perfectly with the car's design.
Aerodynamic Boost
Improves airflow and reduces drag, enhancing vehicle performance and stability at high speeds, providing drivers with a more engaging driving experience.

Product Details

Shop ECS - Rear Diffuser (Gloss Black) Compatible with Audi B8.5 S4 / A4 S-Line online at a best price in Rwanda. B0BBSBHV8M
Brand NameECS TUNING
Manufacturer Part Number028807ecs01KT
ManufacturerECS
Material TypeAcrylonitrile Butadiene Styrene (ABS)
Compatible with Vehicle TypeCar
Auto Part PositionRear
Automotive Fit TypeVehicle Specific Fit
ColorBlack
Exterior FinishGlossy
Installation TypeBolt-On
BrandECS TUNING
MaterialAcrylonitrile Butadiene Styrene (ABS)
Vehicle Service TypeCar
Item Weight5 lbs (2.27 kg)

Who Should Buy?

Suitable For
  • Car Enthusiasts

    Ideal for users who want to enhance the aesthetic and performance of their Audi B8.5 S4 or A4 S-Line.

  • Performance Modifiers

    Perfect for individuals looking to improve aerodynamics and stability during high-speed driving or racing events.

  • Style Upgraders

    Great for owners desiring a sporty look to their vehicle with a sleek, glossy finish for visual appeal.

Not Suitable For
  • Casual Drivers

    Not suitable for users who primarily use their vehicles for commuting without interest in performance enhancements.

Product Description

ECS - Rear Diffuser (Gloss Black) Compatible with Audi B8.5 S4 / A4 S-Line

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the ECS Rear Diffuser made of?

    Answer: The ECS Rear Diffuser is constructed from high-quality ABS plastic, known for its durability and resistance to impact. This material not only enhances the aesthetic appeal of your Audi B8.5 S4 or A4 S-Line but also withstands harsh weather conditions and road debris. The gloss black finish adds a sleek, modern touch, making your vehicle stand out. It's ideal for owners looking to enhance their car's aerodynamic performance without compromising style.
  • Question: Does the ECS Rear Diffuser require professional installation?

    Answer: While some car enthusiasts may choose to install the ECS Rear Diffuser themselves, professional installation is recommended for the best results. This component involves precise fitting to ensure optimal performance and aesthetic appeal. If you're unfamiliar with automotive modifications, an experienced mechanic can install it swiftly, ensuring it is positioned correctly for improved aerodynamics and a seamless look, maximizing your investment.
  • Question: What are the benefits of installing a rear diffuser?

    Answer: The ECS Rear Diffuser offers multiple advantages, including improved aerodynamics, enhanced downforce, and a more aggressive look for your vehicle. By helping to streamline airflow under the car, it reduces drag and can lead to a performance boost. With better stability at high speeds, this upgrade is perfect for drivers who seek both aesthetic enhancement and functional improvements during spirited driving or track events.
  • Question: Can the ECS Rear Diffuser be painted?

    Answer: Yes, the ECS Rear Diffuser can be painted if you desire a custom look to match your vehicle's color scheme. The surface can be prepped for painting through sanding and priming, allowing for an even coat and an attractive finish. This customization is especially appealing for those who want to personalize the aesthetics of their Audi while still enjoying the performance benefits of the diffuser.
  • Question: Is the ECS Rear Diffuser compatible with other models?

    Answer: The ECS Rear Diffuser is specifically designed for the Audi B8.5 S4 and A4 S-Line, ensuring a perfect fit. While it may not be compatible with other models without modification, it’s always advisable to check specific fitment guides or product specifications to confirm compatibility. This ensures that you receive the intended performance enhancements without compromising the integrity of your vehicle.
  • Question: Will installing a rear diffuser affect my vehicle's warranty?

    Answer: Adding the ECS Rear Diffuser typically does not void your car’s warranty, provided the installation is done correctly and does not interfere with the vehicle's original components. It's wise to consult your dealership or warranty documentation to understand how modifications might affect your specific coverage. Many Audi enthusiasts modify their vehicles for aesthetic and performance enhancements while still enjoying the benefits of factory warranty.
  • Question: How does the rear diffuser enhance vehicle performance?

    Answer: The ECS Rear Diffuser enhances vehicle performance by improving aerodynamic efficiency, helping to direct airflow more effectively under the car. This streamlined airflow reduces drag and increases downforce, which can enhance stability and grip during high-speed driving. Drivers looking to optimize their Audi for a more responsive driving experience, especially on the racetrack or during spirited driving, will appreciate these benefits.
  • Question: What is the installation process for the ECS Rear Diffuser?

    Answer: The installation process for the ECS Rear Diffuser involves removing the factory diffuser and securing the new piece in place using existing mounting points. Detailed instructions are typically included with the product, and it is essential to use the appropriate tools for a secure fit. This process can be a straightforward project for those familiar with automotive work, while novice users may benefit from a professional installation service.
  • Question: Will the ECS Rear Diffuser fit if I have an aftermarket exhaust?

    Answer: In most cases, the ECS Rear Diffuser is designed to accommodate various aftermarket exhaust systems. However, specific compatibility may vary depending on the exhaust's configuration. It's advisable to check the dimensions and clearance of your exhaust system before installation to ensure a perfect fit. If necessary, some minor adjustments might be made to achieve optimal alignment and aesthetics.
  • Question: Where can I buy the ECS - Rear Diffuser (Gloss Black) compatible with Audi B8.5 S4 / A4 S-Line?

    Answer: You can purchase the ECS - Rear Diffuser (Gloss Black) compatible with Audi B8.5 S4 / A4 S-Line from Ubuy. They offer a reliable platform to find this high-quality product, ensuring you get the right fit for your vehicle. Ubuy provides an easy navigation experience for tracking your order and accessing various automotive upgrades for your Audi, making it an ideal shopping destination.

ECS TUNING Body Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Enhances vehicle aesthetics
  • Improves aerodynamics
  • Durable gloss black finish
  • Easy installation
  • Perfect fit for Audi B8.5

Cons

  • Limited color options available.

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Currently unavailable.

We don't know when or if this item will be back in stock.

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Exclusive design only available through ECS Tuning.
  • Crafted from UV stabilized ABS polymer for a high gloss finish.
  • Aggressive and sporty style enhances your vehicle's rear appearance.
  • Compatible with factory and most aftermarket exhaust systems.
  • Easy installation with no drilling or modification required.
  • Perfectly complements other ECS gloss black exterior products.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.