McLaren MP4-12C 650S BKSS Style Carbon Fiber Rear Diffuser 2011-2017

Enhance the rear styling and aerodynamic performance of your 2011-2017 McLaren MP4-12C or 650S with this BKSS style carbon fiber rear diffuser. Designed to deliver a more aggressive and performance-focused lower rear profile, this upgrade improves airflow while maintaining clean OEM-style integration.

This rear diffuser is precision-engineered to align seamlessly with the factory rear bumper, ensuring proper fitment and contour. The BKSS style design adds depth and a sharper appearance, creating a more dynamic and track-inspired rear-end look without disrupting the original body lines.

Constructed from high-quality carbon fiber material options, this diffuser offers lightweight durability and a premium finish. It is ideal for enthusiasts looking to upgrade their vehicle for street builds, show cars, or performance-oriented applications.

Product Specifications

Key Features

• Designed for 2011-2017 McLaren MP4-12C and 650S models
• BKSS style rear diffuser for enhanced rear styling
• Carbon fiber construction for lightweight durability
• Improves airflow management and rear aerodynamic efficiency
• Creates a more aggressive and performance-focused rear profile
• Precision-molded for OEM-style fitment and alignment
• Maintains clean integration with factory rear bumper
• Available in multiple carbon fiber material options
• Suitable for street builds, show vehicles, and performance setups

Configuration Options

• Carbon Fiber – Standard weave finish for OEM+ styling
• Forged Carbon Fiber – Unique pattern with enhanced durability
• Dry Carbon Fiber – Premium lightweight material with superior weave consistency

Package Includes

• Rear diffuser

Note: Professional installation is recommended to ensure proper alignment and secure mounting.

Installation

• Direct installation
• Uses factory mounting points
• No major modification required
• Installation hardware may be required
• Professional installation recommended

Fitment

• 2011-2014 McLaren MP4-12C Coupe
• 2011-2014 McLaren MP4-12C Spider
• 2015-2017 McLaren 650S Coupe
• 2015-2017 McLaren 650S Spider

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.