



Carbon Fiber Rear Diffuser - McLaren 540C 570S 570GT
Upgrade the rear end of your McLaren 540C, 570S, or 570GT with the Carbon Fiber Rear Diffuser, designed to enhance both the performance and visual appeal of your supercar. Crafted from high-quality carbon fiber, this rear diffuser reduces drag, increases downforce, and improves overall aerodynamic efficiency. Whether you’re looking to improve your vehicle's handling at high speeds or simply want to give it a more aggressive, motorsport-inspired look, this diffuser is the perfect addition.
Features:
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High-Quality Carbon Fiber Construction: The Carbon Fiber Rear Diffuser is made from premium carbon fiber, known for its impressive strength-to-weight ratio. This material ensures that the diffuser is lightweight yet durable, maintaining its integrity under high-performance driving conditions. Carbon fiber’s rigidity and resilience make it the ideal material for reducing the weight of your McLaren 540C, 570S, or 570GT without compromising on strength.
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Enhanced Aerodynamics: The primary purpose of the rear diffuser is to optimize airflow underneath the vehicle, improving the car's aerodynamics. The diffuser helps manage the turbulent air flowing from the underbody, reducing drag and directing airflow more efficiently. This results in increased downforce and improved stability, especially at higher speeds, providing better control and handling during aggressive driving or track use.
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Increased Downforce and Stability: By improving the airflow and reducing drag, the Carbon Fiber Rear Diffuser increases downforce on the rear of your McLaren 540C, 570S, or 570GT. This added downforce ensures better tire grip, enhanced stability, and increased traction, particularly during high-speed cornering or at racetrack speeds. With more downforce at the rear, your supercar will feel more planted and confident on the road or track.
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Aggressive Motorsport-Inspired Look: The carbon fiber finish of the rear diffuser enhances the McLaren 540C, 570S, and 570GT's aggressive and performance-focused aesthetic. The sleek lines and bold design of the diffuser add a race-inspired element to your supercar, giving it an even more dynamic, high-performance appearance. It complements the overall styling of your McLaren and enhances its visual appeal.
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Lightweight Performance Upgrade: Carbon fiber is an ideal material for reducing weight without compromising strength or performance. By replacing the stock rear diffuser with the Carbon Fiber Rear Diffuser, you reduce the overall weight of the vehicle, improving the power-to-weight ratio, which in turn enhances acceleration, braking, and overall driving responsiveness.
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Perfect Fitment for McLaren 540C, 570S, and 570GT: The Carbon Fiber Rear Diffuser is specifically designed to fit the McLaren 540C, 570S, and 570GT. The precise engineering ensures seamless integration with the vehicle’s rear end, providing an OEM-level fitment. Each component is tailored to complement the existing lines and contours of your McLaren, offering a custom look while maintaining a factory-style appearance.
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UV and Scratch-Resistant Coating: To maintain the durability and finish of the carbon fiber, the diffuser is treated with a UV-resistant coating, protecting it from fading or discoloration due to sun exposure. Additionally, the scratch-resistant surface ensures that your diffuser will retain its high-quality finish even with regular use.
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Improved Handling and Performance: The aerodynamic enhancements provided by the rear diffuser help your McLaren 540C, 570S, or 570GT handle better at high speeds. With improved downforce and reduced drag, the vehicle’s overall handling and cornering abilities are significantly enhanced, giving you a more connected and responsive driving experience.
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OEM-Level Fit and Finish: The Carbon Fiber Rear Diffuser is designed to offer OEM-level fit and finish, seamlessly integrating into the rear of your McLaren 540C, 570S, or 570GT. The kit complements the vehicle's original design, providing a custom, high-performance upgrade that looks as though it was installed directly from the factory.
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Easy Installation: The rear diffuser is designed for a simple, hassle-free installation. All necessary hardware and instructions are included to ensure a smooth process. It is engineered to fit your McLaren 540C, 570S, or 570GT with minimal modification required, allowing you to enjoy your upgrade quickly and easily.
The Carbon Fiber Rear Diffuser for the McLaren 540C, 570S, and 570GT is the perfect upgrade for drivers looking to enhance both the performance and aesthetic of their supercar. With its lightweight construction, improved aerodynamics, and aggressive styling, the diffuser delivers enhanced downforce and stability, making it an ideal addition for those seeking improved performance on both the road and track. Add this carbon fiber rear diffuser to your McLaren and experience the next level of driving dynamics.
We want you to have our parts as quickly as possible. Products that are in stock will be shipped and delivered domestically in 1–5 business days. It will take seven to twenty-one business days for international shipment. An email confirming that your order is being completed will be sent to you once you place it. For in-house orders, please allow a day for processing and the updating of the tracking number. The product page accurately shows the quantity.
Custom steering wheels typically take 20-25 business days for production, with an additional 5-7 business days for shipping. Production and delivery times may vary depending on the complexity of the order and the shipping destination. For more details, please refer to our Shipping Policy.
Our Return Policy permits returns only for products that are found to be defective. You have 30 days from the date of delivery to inspect the product and report any issues.
Regular Cleaning: Maintain carbon fiber parts by cleaning them regularly with a soft cloth and a mixture of mild soap and water. Avoid abrasive or harsh cleaners that could harm the finish.
Use Microfiber Pads and Cloths: Opt for microfiber pads and cloths when cleaning or applying protective coatings to prevent surface scratches.
Protect from Sun and Chemicals: Limit exposure to direct sunlight and harsh chemicals, as they can damage carbon fiber. When possible, use protective covers or park your vehicle in shaded areas.

Why Thousands of Enthusiasts Trust Us
Carbon Industries delivers premium, precision-engineered parts that elevate Vehicle performance and style—backed by expert support and a true passion for the culture. We don’t just sell parts; we fuel the lifestyle.
- Guaranteed Fitment for Your BMW: No guesswork—our parts are designed and tested to fit your exact model perfectly.
- Premium Materials, Always: We use only high-grade carbon fiber, forged metals, and performance-tested components.
- White-Glove Customer Support: Our team of BMW specialists is here to guide you with expert, concierge-level care.
- Trusted by the Elite Vehicle Community: From daily drivers to show builds, our parts are featured on some of the cleanest builds worldwide.

Let customers speak for us
FAQ
Will these parts fit my specific Vehicle model and year?
Yes — every product page includes a “Will This Fit” section to ensure compatibility. If you’re unsure, just send us your VIN or model/year, and our team will confirm fitment for you within 24 hours. We specialize in BMW and European vehicles, so you’re in good hands.
Are these genuine carbon fiber or carbon fiber overlay parts?
We offer only full carbon fiber options. Each listing clearly specifies the construction material. Rest assured, we only source high-quality parts that are durability-tested and made to OEM or better standards.
How long does shipping take and where do you ship from?
Most orders ship from our Irvine, CA warehouse within 1–3 business days. Domestic delivery typically takes 3–7 business days. International shipping times vary by country. Each product page includes real-time shipping estimates based on your location. Certain made to order products will take up to 3-4 weeksfor delivery, including production time.
Do I need professional installation or can I install it myself?
Many of our mods are designed for direct bolt-on installation and can be installed at home with basic tools. However, for certain parts like aero kits or performance components, we recommend professional installation for best results. Each product page includes install difficulty and notes. We offer professional installation at our Santa Clara, CA location.
What if the product doesn’t fit or I change my mind?
No worries — we offer hassle-free returns within 30 days of delivery. If the part doesn’t fit due to an error on our end, we’ll cover the return shipping. For all other returns, we make it easy to exchange or get a refund. See our full Returns & Warranty Policy for details.
Are your parts tested for quality and durability?
Absolutely. All of our products go through quality control checks and are either TUV-certified, ISO-certified, or tested by our in-house team and verified installers. We don’t sell anything we wouldn’t put on our own cars.
Do you offer warranties on your parts?
Yes. Most of our products come with a 90-day limited warranty against manufacturing defects. Some premium items offer extended warranties — details are listed on the product pages. We’re committed to quality and stand behind what we sell.
Can I finance or pay in installments?
Yes — we offer Shop Pay, Affirm, AfterPay, and Klarna at checkout. You can split your purchase into 4 interest-free payments or choose longer-term plans if needed. It’s quick, easy, and won’t affect your credit score (in most cases)