2015 - 2021 McLaren 600lt 540C 570S Cabon Fiber Side Skirts Under Board

Enhance the side profile of your McLaren 600LT, 540C, or 570S with these carbon fiber side skirts under board. Designed to add a lower and more aggressive motorsport-inspired appearance, these side aero pieces help give the vehicle a sharper and more track-ready stance.

The side skirts under board are designed to sit beneath the factory side skirt area, creating an extended low-slung profile while adding aerodynamic presence. Their sculpted carbon fiber design integrates with the McLaren’s factory body lines, making them an ideal upgrade for owners looking to enhance both street presence and performance-inspired styling.

Crafted from premium lightweight carbon fiber materials, these side skirt underboards deliver durable construction, premium finish quality, and strong exterior styling appeal. Designed for 2015-2021 McLaren 600LT, 540C, and 570S models, each package includes one pair of side skirt underboards.

Product Specifications

Key Features

• Carbon fiber side skirts under board designed for the McLaren 600LT, 540C, and 570S
• Designed for 2015-2021 McLaren 600LT, 540C, and 570S models
• Adds a lower and more aggressive side profile
• Enhances the lower side skirt area with premium carbon fiber styling
• Designed to sit beneath the factory side skirts for an extended aero look
• Complements the McLaren’s factory body lines
• Creates a more track-ready and performance-inspired appearance
• Crafted from premium lightweight carbon fiber materials
• Ideal for street builds, track styling, and exterior aero packages
• Includes one pair of side skirt underboards

Configuration Options

• Side Aero Setup: Under board design extends the lower side skirt profile
• Material Setup: Premium lightweight carbon fiber construction
• Exterior Styling: Carbon fiber finish adds a premium motorsport-inspired side detail
• Package Setup: Includes one pair of side skirt underboards

Package Includes

• One pair of side skirt underboards

Note: Professional installation is recommended. Test fitting is recommended before final installation. These side skirts under board are designed to enhance the McLaren’s lower side profile and aerodynamic presence while maintaining a clean performance-focused appearance. Final fitment may require minor adjustments depending on the vehicle.

Installation

• Designed for installation beneath the factory side skirt area
• Professional installation is recommended for proper alignment and secure fitment
• Test fitting is recommended before final mounting
• Some adjustment may be required during installation for best results

Fitment

• 2015-2021 McLaren 540C
• 2015-2021 McLaren 570S
• 2018-2021 McLaren 600LT

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.