Ford Mustang S550 GT350 Track Style Smoke Clear Wickerbill Rear Spoiler Insert 2015-2023

Enhance the aerodynamic performance and aggressive styling of your 2015-2023 Ford Mustang with this GT350 Track Style wickerbill rear spoiler insert. Designed specifically for vehicles equipped with the GT350 rear wing spoiler, this upgrade adds a functional extension that improves downforce and rear-end stability.

This wickerbill insert is engineered to mount directly onto the factory GT350 rear wing, creating a more track-focused appearance while maintaining OEM alignment. The design helps manage airflow over the rear of the vehicle, increasing aerodynamic efficiency and providing improved handling at higher speeds.

Constructed from durable acrylic plastic, this wickerbill features a dual-finish design with a smoke-tinted outer section and a clear center section for rear visibility. The combination delivers both performance functionality and a distinctive visual upgrade suited for street and track applications.

Product Specifications

Key Features

• Designed for 2015-2023 Ford Mustang S550 models with GT350 rear wing spoiler
• GT350 Track Style wickerbill insert for enhanced aerodynamics
• Improves rear downforce and high-speed stability
• Enhances aggressive track-inspired rear appearance
• Dual finish design with smoke-tinted outer section and clear center
• Maintains rear visibility through center section
• Constructed from durable and lightweight acrylic plastic
• Precision fitment for OEM GT350 spoiler compatibility
• Ideal for performance builds and track applications

Configuration Options

• Smoke / Clear Combination – Dual finish wickerbill design

Package Includes

• Wickerbill spoiler flap insert

Note: This product requires an existing GT350 rear wing spoiler for installation. Base GT350 spoiler is not included.

Installation

• Bolt-on installation to existing GT350 rear wing
• Uses factory or included mounting points
• Ensure proper alignment before securing
• Professional installation recommended

Fitment

• 2015-2023 Ford Mustang S550 with GT350 rear wing spoiler
• Requires GT350 rear spoiler for installation

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.