Porsche 718 Cayman Boxster GT4RS Style Autoclave Carbon Fiber Rear Diffuser Lip With Winglets And Exhaust Tips 2016-2025

Enhance the rear styling and aerodynamic performance of your 2016-2025 Porsche 718 Cayman and Boxster with this GT4RS style autoclave carbon fiber rear diffuser lip with winglets and exhaust tips. Designed to replicate the aggressive GT4RS appearance, this upgrade delivers a more track-inspired rear profile while maintaining OEM+ integration.

Engineered specifically for the 718 platform, this rear diffuser system includes integrated winglets and exhaust tips, creating a complete rear-end transformation. The design improves airflow and rear downforce characteristics while enhancing the vehicle’s visual presence and sporty stance.

Constructed from high-quality autoclave carbon fiber materials, this diffuser offers lightweight durability, strength, and a premium finish. Designed for performance-focused builds, it delivers both functional aerodynamic benefits and high-end styling for street or track use.

Product Specifications

Key Features

• Designed for 2016-2025 Porsche 718 Cayman and Boxster models
• GT4RS style rear diffuser lip with integrated winglets and exhaust tips
• Enhances rear aerodynamics and airflow management
• Improves rear bumper definition and aggressive styling
• Includes winglets for added aerodynamic effect
• Integrated exhaust tips for complete rear upgrade
• Precision fitment aligned with factory bumper lines
• Constructed from high-quality autoclave carbon fiber materials
• Available in multiple carbon fiber finishes
• Lightweight and durable construction
• OEM+ fit with performance-inspired design
• Suitable for street and track-focused builds

Configuration Options

• Dry CF – Lightweight carbon fiber with premium finish
• Dry FGCF – Reinforced carbon fiber option for enhanced durability

Package Includes

• Rear diffuser lip with winglets
• Integrated exhaust tips

Note: Professional installation is recommended to ensure proper alignment and correct installation of the diffuser and exhaust components.

Installation

• Professional installation recommended
• Mounts to factory rear bumper
• May require alignment and adjustments during installation
• Exhaust tip integration required

Fitment

• 2016-2025 Porsche 718 Cayman
• 2016-2025 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.