Cadillac CTS-V GMX322 Dry Carbon Fiber Rear Bumper Diffuser 2009-2015

Transform the rear styling and aerodynamic performance of your 2009-2015 Cadillac CTS-V Sedan with this dry carbon fiber rear bumper diffuser. Designed to replicate factory styling with a performance-focused upgrade, this diffuser enhances airflow while delivering a bold OEM+ appearance.

This rear diffuser is precision engineered for Cadillac CTS-V GMX322 platform models, ensuring seamless integration with the factory rear bumper. The design improves airflow under the vehicle, helping reduce drag and increase stability at higher speeds.

Constructed from 100% dry pre-preg carbon fiber, this diffuser offers superior strength, reduced weight, and a consistent 3K twill weave finish. Autoclave-cured for maximum durability, it provides a premium motorsport-grade upgrade while maintaining factory-level fitment.

Product Specifications

Key Features

• Designed for 2009-2015 Cadillac CTS-V Sedan GMX322 models
• Factory-style rear diffuser with performance-oriented design
• Improves rear airflow and aerodynamic efficiency
• Constructed from 100% dry pre-preg carbon fiber
• Autoclave-cured for superior strength and reduced weight
• Gloss 3K twill weave finish with UV-resistant coating
• Enhances rear-end styling with aggressive OEM+ appearance
• Precision fitment for seamless integration with factory bumper
• Heat and weather resistant for long-term durability
• Complements other CTS-V carbon fiber upgrades

Configuration Options

• Gloss Carbon Fiber – Premium exposed weave finish for a high-performance look

Package Includes

• Rear bumper diffuser insert

Note: Designed specifically for CTS-V Sedan models. Hardware is not included; reuse OEM fasteners for installation. Professional installation is recommended.

Installation

• Direct bolt-on / clip-on installation
• Uses factory mounting points
• No drilling required
• No cutting required
• Re-use OEM hardware
• Ensure mounting surface is clean before installation
• Professional installation recommended

Fitment

• 2009-2015 Cadillac CTS-V Sedan
• Fits GMX322 platform models only
• Not compatible with standard CTS 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.