2016 - 2024 Porsche 718 Cayman & Boxster Stuttmate Carbon Fiber Rear Diffuser

Upgrade the rear profile of your Porsche 718 Cayman or Boxster with this Stuttmate carbon fiber rear diffuser. Designed to add a more aggressive and performance-inspired appearance, this rear diffuser enhances the factory rear bumper area with a bold motorsport look.

The Stuttmate rear diffuser is designed to optimize airflow presence from beneath the vehicle while giving the rear end a sharper race-ready finish. Its sculpted design adds visual depth and aerodynamic character, making it an ideal upgrade for street, show, or track-inspired builds.

Crafted from FRP, CFRP, FGCF, and DryCF material options, this carbon fiber rear diffuser delivers lightweight construction, durable quality, and premium exterior styling appeal. Designed for 2016-2024 Porsche 718 Cayman and Boxster models, each package includes one carbon fiber rear diffuser.

Product Specifications

Key Features

• Stuttmate carbon fiber rear diffuser designed for Porsche 718 Cayman and Boxster models
• Designed for 2016-2024 Porsche 718 fitment
• Adds a more aggressive and performance-inspired rear-end appearance
• Available in FRP, CFRP, FGCF, and DryCF material options
• Enhances the rear bumper area with a bold diffuser design
• Designed to improve aerodynamic presence and rear-end styling appeal
• Integrates with the factory rear bumper for a clean exterior upgrade
• Lightweight carbon fiber construction for premium exterior styling
• Ideal for street, show, or track-inspired customization
• Includes one carbon fiber rear diffuser

Configuration Options

• Material Option: Available in FRP, CFRP, FGCF, or DryCF material options
• Rear Diffuser Setup: Stuttmate style rear diffuser enhances the Porsche 718 lower rear profile
• Exterior Styling: Carbon fiber finish adds a premium race-inspired detail to the rear bumper area
• Fitment Style: Designed to integrate cleanly with the Porsche 718 Cayman and Boxster factory rear bumper

Package Includes

• One carbon fiber rear diffuser

Note: Professional installation is recommended. Test fitting is recommended before final installation. This Stuttmate carbon fiber rear diffuser is designed as a rear exterior styling and aerodynamic presence upgrade for compatible Porsche 718 Cayman and Boxster models. Final fitment may require minor adjustments depending on the vehicle and selected material option.

Installation

• Designed for installation on the rear bumper / lower diffuser area
• Professional installation is recommended for proper alignment and secure fitment
• Test fitting is recommended before final mounting
• Some adjustment may be required during installation for best results
• Installation hardware or mounting method may vary depending on the vehicle and installer preference

Fitment

• 2016-2024 Porsche 718 Cayman
• 2016-2024 Porsche 718 Boxster

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.