2015 - 2021 McLaren 540C & 570s BKSS Style Rear Bumper and Wing and Engine Trunk and Exhaust

Transform the rear profile of your McLaren 540C or 570S with this BKSS style partial carbon fiber rear body kit. Designed to create a more aggressive and performance-focused appearance, this coordinated package replaces key rear components for a bold, race-inspired transformation.

The replacement rear bumper, wing with integrated brake light, engine trunk, and matching exhaust work together to create a cohesive rear-end design. Partial carbon fiber construction adds premium visual detail while supporting lightweight performance and improved resistance to heat around the engine and exhaust areas.

Designed for 2015-2021 McLaren 540C and 570S models, this comprehensive package delivers both aesthetic and functional upgrades for street, show, and track-inspired builds. Each package includes one rear bumper, one wing with brake light, one engine trunk, and one exhaust system.

Product Specifications

Key Features

• BKSS style rear body kit designed for the McLaren 540C and 570S
• Designed for 2015-2021 McLaren Sports Series models
• Creates an aggressive and cohesive rear-end transformation
• Partial carbon fiber construction adds lightweight performance styling
• Replacement rear bumper creates a sharper and more dynamic profile
• Rear wing includes an integrated brake light
• Engine trunk adds a coordinated performance-inspired finish
• Matching exhaust completes the upgraded rear configuration
• Carbon fiber components provide enhanced resistance around high-heat areas
• Suitable for premium street, show, and track-inspired builds

Configuration Options

• Rear Bumper Setup: BKSS style replacement bumper creates a more aggressive lower rear profile
• Wing Setup: Carbon fiber rear wing features an integrated brake light for coordinated styling and visibility
• Engine Trunk Setup: Replacement engine trunk complements the rear bumper and wing design
• Exhaust Setup: Matching exhaust system completes the BKSS style rear-end configuration
• Partial Carbon Fiber Construction: Combines structural composite sections with exposed carbon fiber styling

Package Includes

• One rear bumper
• One rear wing with integrated brake light
• One engine trunk
• One exhaust system

Note: Professional installation is strongly recommended. Confirm the vehicle’s model, chassis, factory rear bumper, engine trunk, wiring, and exhaust configuration before ordering. All components should be test fitted before painting, wiring, fabrication, or final installation. Factory sensors, grilles, brackets, lights, heat shields, hardware, and related components may need to be transferred or adjusted.

Installation

• Rear bumper and engine trunk are designed as replacements for the corresponding factory components
• Professional body shop and exhaust installation are strongly recommended
• Test fit all exterior and exhaust components before completing final installation
• Connect the integrated wing brake light to a compatible factory electrical circuit
• Confirm correct brake light operation before securing the wing
• Transfer compatible factory sensors, brackets, grilles, hardware, and heat shielding where required
• Exhaust installation may require alignment, fabrication, or adjustment for proper clearance
• Minor trimming, drilling, wiring, or bodywork preparation may be required
• Verify secure mounting, consistent panel gaps, and adequate heat clearance before driving

Fitment

• 2015-2021 McLaren 540C
• 2015-2021 McLaren 570S

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.