Add aggressive styling and aerodynamic function to your Audi RS5 B9.5 (2020–2024) with our Carbon Fiber Rear Diffuser — a bold, race-inspired upgrade designed to enhance rear-end presence and airflow. Featuring a deep fin layout and sculpted contours, this diffuser delivers a track-ready aesthetic while maintaining a refined OEM+ fit.

Crafted from 100% premium 3K twill weave carbon fiber, this diffuser is ultra-lightweight, strong, and finished in a high-gloss UV-resistant clear coat for long-lasting brilliance and protection. Designed specifically for the B9.5 RS5 rear bumper, it flows seamlessly with factory lines while adding width, depth, and unmistakable performance character.

Whether paired with a carbon spoiler or run as a standalone piece, this diffuser brings motorsport energy to the rear of your RS5.

Key Features:

Fitment: Audi RS5 B9.5 (2021–2024) – Coupe & Sportback

Style: Race-inspired carbon diffuser with aggressive fin layout

Material: 100% premium 3K twill weave carbon fiber

Finish: Glossy UV-resistant clear coat for durability and deep shine

Design: Extended fins and sculpted profile for aerodynamic styling and downforce

Function: Enhances airflow, improves rear-end appearance, and adds a sporty, race-ready look

Installation: Direct fit to factory bumper; professional installation recommended

Complete your RS5 B9.5 with a carbon fiber diffuser that delivers performance styling and an unmistakably aggressive rear stance.