Cadillac CTS-V Carbon Fiber Rear Valance Diffuser Lip Cover 2016-2019

Enhance the rear styling and aerodynamic performance of your 2016–2019 Cadillac CTS-V with this carbon fiber rear valance diffuser lip cover. Designed as a factory-style replacement, this upgrade adds a more aggressive and performance-inspired appearance while maintaining seamless OEM integration.

This rear diffuser lip cover is precision engineered to replace the factory valance component, ensuring a perfect fit along the rear bumper. The sculpted design improves airflow underneath the vehicle, contributing to enhanced aerodynamic efficiency while giving the rear end a sharper and more defined profile.

Constructed from high-quality 3K twill weave carbon fiber, this component offers lightweight durability and long-lasting strength. The exposed carbon fiber finish enhances the premium look of the CTS-V, making it ideal for performance builds, show vehicles, and daily driving applications.

Product Specifications

Key Features

• Designed for 2016–2019 Cadillac CTS-V models
• Factory replacement style rear diffuser lip cover
• Enhances rear-end aggression and aerodynamic performance
• 3K twill weave carbon fiber construction for strength and lightweight performance
• Improves airflow under the vehicle for better aerodynamic efficiency
• Precision molded for OEM-style fitment
• Seamlessly integrates with factory rear bumper design
• Durable and resistant to daily wear and road conditions
• Direct replacement for factory diffuser component
• Ideal for street, show, and performance builds

Configuration Options

• Carbon Fiber – Exposed carbon weave for a premium performance appearance

Package Includes

• Rear valance diffuser lip cover

Note: Not compatible with Cadillac CTS base models. Professional installation is recommended to ensure proper alignment and secure fitment.

Installation

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

Fitment

• 2016-2019 Cadillac CTS-V
• Does not fit Cadillac CTS base 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.