Carbon Fiber Rear Diffuser - Porsche 718 Cayman / Boxster 2016-2023

Upgrade the rear profile of your Porsche 718 Cayman or Boxster with this Carbon Fiber Rear Diffuser, designed to add a more aggressive motorsport-inspired appearance while enhancing the aerodynamic character of the rear bumper.

The diffuser features a sculpted multi-fin design with pronounced vertical strakes and extended outer sections that visually lower and widen the rear of the vehicle. Its exposed carbon fiber construction complements other exterior carbon upgrades while creating a sharper, more performance-focused appearance.

Key Specs

Features

• Carbon Fiber Construction: Lightweight carbon fiber construction provides a distinctive exposed weave and performance-oriented appearance.
• Multi-Fin Diffuser Design: Integrated vertical fins create a more aggressive rear profile and emphasize the aerodynamic styling of the 718 platform.
• Extended Outer Sections: Sculpted side sections visually widen the rear bumper and create a more planted stance.
• Aerodynamic Styling: Designed to manage the visual and functional airflow path beneath the rear bumper while creating a motorsport-inspired appearance.
• Performance-Focused Rear Profile: Gives the Cayman or Boxster a more aggressive lower rear-end design inspired by track-oriented Porsche models.
• Exposed Carbon Weave: Complements carbon fiber side skirts, front splitters, spoilers and other exterior upgrades.
• Vehicle-Specific Shape: Molded around the Porsche 718 rear bumper configuration for an integrated appearance.
• Single-Piece Design: Main diffuser structure provides a cohesive appearance across the lower rear bumper.

Includes

• 1 × Carbon Fiber Rear Diffuser
• Associated Mounting Hardware, if supplied

Fitment

• Porsche 718 Cayman - 2016-2023
• Porsche 718 Boxster - 2016-2023

Fitment Note: Please compare the rear bumper and exhaust configuration of your vehicle with the product photos before ordering. Different trim levels and exhaust layouts may use different rear bumper components.

Installation

The rear diffuser installs at the lower rear bumper area. Professional installation is recommended to ensure correct alignment, secure mounting and proper clearance around the exhaust system and surrounding bumper components. Test-fit the diffuser before final installation.

Production & Shipping

• Lead Time: 2 weeks
• Delivery: 1 week
• Returns: Allowed within 10 days after delivery
• Replacements: Only for items damaged on arrival

Care Guide

Regular Cleaning: Clean the carbon fiber surface with a soft microfiber cloth and mild soap mixed with water. Avoid abrasive cleaners or rough materials that may scratch the finish.

Use Microfiber Cloths: Use clean microfiber cloths when washing, drying or applying protective products to preserve the carbon fiber surface.

Inspect Mounting Points: Periodically inspect the diffuser and mounting hardware to ensure all attachment points remain secure.

Protect From Sun and Chemicals: Avoid prolonged exposure to harsh chemicals and excessive direct sunlight whenever possible to help preserve the carbon fiber finish.

• Carbon Fiber Construction
• Multi-Fin Rear Diffuser Design
• Aggressive Rear Profile
• Lightweight Construction
• Extended Outer Sections
• Aerodynamic Styling
• Motorsport-Inspired Appearance
• Gloss Carbon Fiber Finish