Porsche 718 Cayman Boxster GTS Style Dry Carbon Fiber Rear Diffuser Lip 2017-2025

Enhance the rear styling of your 2017–2025 Porsche 718 Cayman and Boxster with this GTS style dry carbon fiber rear diffuser lip. Designed to replicate the aggressive factory GTS appearance, this upgrade adds a more performance-oriented profile while maintaining clean OEM-style integration.

This rear diffuser lip is precision-engineered to align with the factory rear bumper contours, ensuring a seamless fit and refined finish. The GTS-inspired design features sharper fins and a more sculpted lower structure, giving the 718 a sportier and more dynamic rear-end presence.

Constructed from dry carbon fiber, the diffuser offers lightweight durability, excellent structural strength, and consistent weave quality. Available in multiple carbon fiber variations, this upgrade is ideal for enthusiasts seeking a premium rear-end enhancement for both daily driving and performance builds.

Product Specifications

Key Features

• Designed for 2017–2025 Porsche 718 Cayman and Boxster models
• GTS style rear diffuser enhances aggressive rear styling
• Precision-molded for OEM-like fitment and seamless integration
• Dry carbon fiber construction for lightweight durability
• Consistent carbon fiber weave with premium finish quality
• Available in DRYCF and DRYFGCF material options
• Improves rear bumper depth and aerodynamic appearance
• Uses factory mounting points for installation
• No drilling required
• Suitable for street, show, and performance builds

Configuration Options

• DRYCF – Standard dry carbon fiber with visible weave pattern
• DRYFGCF – Forged dry carbon fiber pattern for a unique appearance

Package Includes

• Rear diffuser lip

Note: Products marked as PRE-ORDER require production prior to shipping. Professional installation is recommended to ensure proper alignment and secure mounting.

Installation

• Direct installation using factory screw holes
• No drilling required
• No cutting required
• No major modification required
• Professional installation recommended

Fitment

• 2017–2025 Porsche 718 Cayman (982)
• 2017–2025 Porsche 718 Boxster (982)

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.