✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Travel Ready Ecs Tuning - Audi B9 S4 Rear Diffuser - Gloss Black - Claim Yours [mSF2cwbY]

$56.99 $182.99 -69%

ECS Tuning - Audi B9 S4 Rear Diffuser - Gloss Black Elevate the aesthetics of your pre-facelift Audi B9 S4 with the ECS Tuning Gloss Black Rear Diffuser. This high-quality accessory is designed to enhance the rear profile of your vehicle, providing a

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Travel Ready Ecs Tuning - Audi B9 S4 Rear Diffuser - Gloss Black - Claim Yours [mSF2cwbY]

ECS Tuning - Audi B9 S4 Rear Diffuser - Gloss Black

Elevate the aesthetics of your pre-facelift Audi B9 S4 with the ECS Tuning Gloss Black Rear Diffuser. This high-quality accessory is designed to enhance the rear profile of your vehicle, providing a sleek and aggressive look that complements the factory aesthetics of your Audi. Engineered in-house, this diffuser is crafted from UV-stabilized ABS polymer, ensuring a deep, high-gloss shine that withstands the test of time. Its exclusive design is sure to turn heads and make your S4 stand out from the crowd.

Key Features and Specifications

The ECS Tuning Rear Diffuser features a dual tip/dual outlet design, making it compatible with both factory and most aftermarket exhaust systems. It is designed to accommodate exhaust tips up to 4 inches in diameter, offering versatility and flexibility. This diffuser is a breeze to install, requiring no drilling, cutting, or modifications. Simply remove your current valance, install the diffuser using the factory mounting locations and hardware, and enjoy the new look. The installation process is straightforward, ensuring a hassle-free experience.

Benefits and Practical Uses

Not only does the ECS Tuning Rear Diffuser enhance the visual appeal of your Audi B9 S4, but it also provides practical benefits. The diffuser is crafted to fit pre-facelift models without integrated tips in the rear valance, ensuring a perfect fit for your vehicle. Additionally, its glossy black finish not only looks great but also offers a durable and long-lasting finish. To complement your new diffuser, consider exploring other ECS gloss black exterior products for a cohesive and stylish look. Upgrade your S4 today and experience the difference that ECS Tuning can make.

What Our Customers Say

January 25, 2026

Absolutely no complaints!

This is a great quality item.

- Noah N..

January 25, 2026

Absolutely no complaints!

Does exactly what it says it does.

- Aaron Q..

January 25, 2026

Absolutely no complaints!

A great product that works well.

- Judah B..

Write a Review

You Might Also Like

Discover more great products from our collection.

Braid Blue-Fin Harness

Braid Blue-Fin Harness

(685)
$44.99 $143.99 -69%
Sinful Spring Chumki

Sinful Spring Chumki

(911)
$28.99 $92.99 -69%
Wooden Fruit Set Vol. 2

Wooden Fruit Set Vol. 2

(58)
$20.99 $67.99 -69%
Teardrop Hammered Earrings

Teardrop Hammered Earrings

(927)
$25.99 $83.99 -69%
Completed: Mystery Saber #018

Completed: Mystery Saber #018

(660)
$169.99 $543.99 -69%
Pull col rond noir

Pull col rond noir

(543)
$23.99 $76.99 -69%
2024 VIRNIG PF4855-5VG

2024 VIRNIG PF4855-5VG

(524)
$66.99 $214.99 -69%

Copyright 2026 © technovaprecision.com

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY