Tesla Model Y V2 Carbon Fiber Rear Diffuser 2019-Up

Upgrade the rear-end styling and aerodynamic profile of your 2019-Up Tesla Model Y with this V2 carbon fiber rear diffuser. Designed for all Model Y trims, this rear diffuser adds a sharper, more premium, and performance-inspired appearance to the lower rear bumper area.

The V2 rear diffuser is engineered to help decrease drag and increase airflow underneath the vehicle, supporting improved aerodynamic efficiency and rear-end presence. Its sculpted carbon fiber design gives the Model Y a more exotic and aggressive OEM+ look.

Constructed from real handcrafted carbon fiber, this rear diffuser provides lightweight strength, premium styling, and a high-quality motorsport-inspired finish. It can be installed alone or paired with matching carbon fiber front lip, side skirts, and rear spoiler upgrades for a complete exterior package.

Product Specifications

Key Features

• Designed for 2019-Up Tesla Model Y all trims
• V2 carbon fiber rear diffuser design
• Constructed from real handcrafted carbon fiber
• Helps decrease drag and improve airflow underneath the vehicle
• Adds an aggressive and premium rear-end appearance
• Pairs well with matching carbon fiber front lip, side skirts, and rear spoiler upgrades
• Designed for a clean OEM+ exterior look

Configuration Options

• V2 carbon fiber rear diffuser configuration
• Carbon fiber construction

Package Includes

• Rear Diffuser V2
• Mounting hardware, if supplied by manufacturer

Note: CFD aero package testing showed a 2.7% reduction in total vehicle drag and a 727 N increase in downforce when installed as part of the complete aero package, including front lip, side skirts, rear diffuser, and spoiler. Professional installation is recommended.

Installation

• Installs onto the lower rear bumper area
• Test fitting is recommended before final installation
• Follow the supplied installation guide where applicable
• Professional installation is recommended for proper alignment and secure fitment

Fitment

• 2019-Up Tesla Model Y All Trims

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.