Porsche Cayenne 9Y0 9Y3 KT Style Dry Carbon Fiber Rear Diffuser 2018-2026

Enhance the rear-end styling of your 2018–2026 Porsche Cayenne 9Y0 and 9Y3 with this KT style dry carbon fiber rear diffuser. Designed specifically for SD models, this upgrade delivers a more aggressive and performance-driven rear profile while maintaining clean OEM-style integration.

This rear diffuser is engineered as a direct replacement for the factory lower rear bumper section, offering a precise fit that follows the original body lines. The KT-inspired design introduces sharper fins and a more dynamic structure, giving the Cayenne a sportier and more track-inspired appearance.

Constructed from dry carbon fiber, the diffuser provides lightweight strength, excellent durability, and consistent weave quality. Available in multiple carbon fiber finishes, this component is ideal for enthusiasts seeking a high-end exterior upgrade for both daily driving and show-quality builds.

Product Specifications

Key Features

• Designed for 2018–2026 Porsche Cayenne 9Y0 and 9Y3 SD models
• KT style rear diffuser for enhanced aggressive styling
• Direct replacement for factory rear lower diffuser
• Dry carbon fiber construction for lightweight durability
• Consistent carbon fiber weave with premium finish
• Available in DRYCF and DRYFGCF material options
• Precision-molded for OEM-like fitment
• Enhances rear-end aerodynamics and visual depth
• No major modification required
• Suitable for street and show 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

Note: This product is designed for SD models only. Products marked as PRE-ORDER require production prior to shipping. Professional installation is recommended for proper fitment and alignment.

Installation

• Direct replacement installation
• Uses factory mounting points
• No drilling required
• No cutting required
• Professional installation recommended

Fitment

• 2018–2026 Porsche Cayenne 9Y0 SD
• 2018–2026 Porsche Cayenne 9Y3 SD

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.