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

Upgrade the rear styling of your 2018–2026 Porsche Cayenne 9Y0 and 9Y3 with this KT style carbon fiber rear diffuser. Designed for SUV and Coupe models, this aerodynamic upgrade enhances the lower rear bumper with a more aggressive and performance-oriented appearance while maintaining OEM-style integration.

This rear diffuser is precision-engineered to match the factory rear bumper contours, ensuring a seamless and refined fit. The KT-inspired design features sharper lines and sculpted fins that give the Cayenne a more dynamic and sport-driven rear profile without disrupting its original design language.

Constructed from high-quality carbon fiber materials, this diffuser provides lightweight strength, excellent durability, and a premium finish. Available in multiple carbon fiber variations, it is ideal for enthusiasts seeking a bold yet refined styling upgrade for both street and performance builds.

Product Specifications

Key Features

• Designed for 2018–2026 Porsche Cayenne 9Y0 and 9Y3 models
• Compatible with SUV and Coupe body styles
• Fits E-Hybrid, Turbo, Turbo E-Hybrid, and Turbo S E-Hybrid models
• KT style rear diffuser for aggressive rear-end styling
• Precision-molded for OEM-like fitment and seamless integration
• Carbon fiber construction for lightweight strength and durability
• Consistent weave with premium finish quality
• Available in PPDRYCF and PPDRYFGCF material options
• Enhances rear bumper depth and aerodynamic appearance
• Direct replacement installation
• No major modification required

Configuration Options

• PPDRYCF – Pre-preg dry carbon fiber with visible weave
• PPDRYFGCF – Forged pre-preg carbon fiber pattern for a unique finish

Package Includes

• Rear diffuser

Note: This product does not fit SD models. Products marked as PRE-ORDER require production prior to shipping. Professional installation is recommended to ensure proper alignment and fitment.

Installation

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

Fitment

• 2018–2026 Porsche Cayenne 9Y0 SUV
• 2018–2026 Porsche Cayenne 9Y3 Coupe
• Fits E-Hybrid, Turbo, Turbo E-Hybrid, and Turbo S E-Hybrid models
• Does not fit SD models

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.