RW Carbon 2017-2021 Audi S4 (B9) Carbon Fiber Rear Diffuser

Built from the traditional 2×2 carbon fiber weave, these S4/A4 S-Line Carbon Fiber Side Skirt Extensions are a superior addition for your Audi to improve the look of your vehicle. Our carbon fiber side skirts offer Superior styling and proper fitment compared to the other options on the market. These side skirts are backed by a fitment and quality guarantee, RW Carbon has you covered. Each set of these side skirts go through a rigorous quality control process before leaving our Southern California warehouse to be shipped to you

Contact us today if you have questions regarding this front lip spoiler for your Audi.: 480-569-3402 or sales@germanmuscle.co

Fitment

• 2017+ Audi S4 Sedan B9 Facelift
• NOT for Audi A4 B9 Base/Sline Models

Features

• Quality Controlled
• Quality and Fitment Guarantee
• UV Resistant Clear Coat
• Same Traditional Carbon Fiber Weave
• Aggressive Styling

Installation
Professional installation is always recommended for RW Carbon’s products including this Audi S4 Sedan Carbon Fiber Rear Diffuser. For installation on the diffuser, you MUST remove the bumper.

We’ve got your back!

German Muscle takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 569-3402, feel free to direct message on our live chat, or email us at sales@germanmuscle.co.

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Brand

RW Carbon

RW Carbon was founded in 2013 by two automotive enthusiasts who saw an industry that needed improvement. Before RW Carbon, the idea of purchasing carbon fiber parts was a gamble. Now, enthusiasts are able to purchase high quality, in stock, great fitting carbon fiber products, backed by industry leading customer service. Your needs come above all else. RW Carbon specialize in BMW, Mercedes, Porsche, Ferrari, Tesla, and Audi. For each make, we carry front lip spoilers, rear diffusers, trunk spoiler, side skirt extensions, mirror caps, interior parts and more! We are always adding new products to our site - If you do not see a specific part, let us know what you're looking for today!