Audi R8 4S Form Industries Pre-Preg Carbon Fiber Competition Rear Diffuser (2015+)

Finish the rear of your Audi R8 (4S) with the Form Industries Pre-Preg Carbon Fiber Competition Rear Diffuser, adding aggressive vertical fins and a motorsport-derived lower section that ties the whole rear together.

Key Features

• Material & Finish: Laid up in genuine pre-preg carbon fiber with a clear-coated gloss weave that resists fading and stone chips.
• Design: Sculpted fin design adds aggression and visual downforce to the rear.
• Precision Fitment: Modelled on OEM geometry for a clean, direct fit with no cutting or trimming required.
• Easy Installation: Fits using factory mounting points and included hardware — a straightforward upgrade.

Fitment

Engineered specifically for the Audi R8 (4S). Confirm your exact model and chassis code before ordering.

Why Form Industries

Every Form Industries part is designed for a true OEM-quality fit and finished to last. Ships from our U.S. facility with responsive, enthusiast-run support.

Shipping

Form Industries products ship directly from our U.S. facility in Knoxville, Tennessee for fast, reliable nationwide delivery.