Ford Mustang S550 S650 Dark Horse Style Matte Black Side Skirt Extensions 2015-2023

Enhance the side profile and aerodynamic styling of your 2015–2023 Ford Mustang S550 with these S650 Dark Horse Style side skirt extensions. Designed to deliver a lower, more aggressive stance, this upgrade adds a modern performance-inspired look while maintaining OEM-style fitment.

These side skirt extensions are precision engineered to follow the factory rocker panel contours, ensuring seamless integration with the Mustang’s body lines. The S650 Dark Horse-inspired design provides a sharper and more dynamic side profile, making it ideal for enthusiasts seeking a contemporary styling upgrade.

Constructed from durable ABS plastic, these extensions offer long-lasting strength and resistance to environmental wear. Finished in matte black, they provide a clean OEM+ appearance that complements factory trim while enhancing the vehicle’s overall visual presence.

Product Specifications

Key Features

• Designed for 2015–2023 Ford Mustang S550 models
• S650 Dark Horse style side skirt extensions
• Enhances side profile with a lower and more aggressive stance
• Constructed from durable ABS plastic for long-term use
• Matte black finish for OEM+ styling integration
• Improves aerodynamic appearance and visual flow
• Precision engineered for seamless rocker panel fitment
• Lightweight construction with strong structural durability
• Resistant to weather, UV exposure, and daily wear
• Ideal for street builds and performance styling upgrades

Configuration Options

• Matte Black – Clean finish for a modern OEM-style appearance

Package Includes

• Side skirt extensions (left and right)

Note: Not compatible with Ford Mustang GT350 or GT500 models. Professional installation is recommended to ensure proper alignment and secure mounting.

Installation

• Bolt-on installation
• Uses factory mounting points where applicable
• No major modification required
• Ensure proper alignment before final installation
• Professional installation recommended

Fitment

• 2015-2023 Ford Mustang S550
• Excludes GT350 and GT500 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.