Audi S4/RS4 B9.5 Carbon Fiber Rear Diffuser V1

Audi S4/RS4 B9.5 Carbon Fiber Rear Diffuser

OEM-Style Performance Upgrade for Audi S4/RS4 B9.5

Enhance the rear profile of your Audi S4/RS4 with this OEM-style carbon fibre rear diffuser, engineered for precision fitment and long-term durability. Crafted using advanced automotive-grade dry carbon technology, this spoiler delivers a factory-plus appearance with motorsport-inspired performance styling.

Vehicle Fitment

• Audi S4/RS4 B9.5

Key Features

• Constructed from genuine pre-preg carbon fibre

• UV-resistant high-gloss clear coat prevents fading, yellowing, and surface bubbling

• Lightweight yet exceptionally durable for long service life

• Designed to protect and enhance the rear bumper surface

• Secure mounting — engineered to stay firmly in place

• Precision craftsmanship with a unique, refined OEM-style design

• Easy installation with excellent fitment and premium materials

Product Specifications

• Material: Real Dry Carbon Fiber

• Weave: 2x2T Carbon Twill

• Finish: High-Gloss Clear Coat

• Installation Location: Rear Bumper

• Packaging: Multi-layer export carton with shock- and impact-protection

Package Contents

• 1 × Carbon Fibre Rear Diffuser

Upgrade your S4/RS4 with confidence—where factory styling meets carbon performance.

Please not this part does not come with any certification and depending on your local legislation might therefore not be road legal, contact your local authorities for further information. 

Please note: Vanté Automotive  does not accept any liability if damage is caused to your car by the installation of this product. Professional installation is recommended on all our products by purchasing this product you agree to these terms.