
Carbon Fiber Diffuser V3 - McLaren 650s / MP4-12C
Take your McLaren 650S or MP4-12C to the next level with the Carbon Fiber Rear Diffuser V3. This high-performance rear diffuser is designed to improve your car's aerodynamics, enhance stability, and give it a more aggressive, motorsport-inspired look. Crafted from lightweight, durable carbon fiber, this V3 version offers superior performance benefits while maintaining the sleek, modern aesthetic that defines the McLaren brand.
Features:
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Premium Carbon Fiber Construction: Made from high-quality 2x2 weave carbon fiber, the V3 rear diffuser is lightweight yet extremely strong. This reduces overall weight while maintaining durability, contributing to improved performance, handling, and overall driving dynamics. Carbon fiber not only adds a high-tech, motorsport look but also helps enhance the power-to-weight ratio of your vehicle.
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Enhanced Aerodynamics: The primary purpose of this rear diffuser is to optimize airflow underneath your McLaren 650S or MP4-12C. By reducing turbulence and drag, the diffuser increases downforce at the rear, providing better stability at high speeds and during sharp cornering. This aerodynamic enhancement ensures that your car stays planted and performs better on both the street and the track.
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Aggressive, Motorsport-Inspired Design: The V3 diffuser features a bold, aggressive design that integrates seamlessly with the rear bumper of the McLaren 650S and MP4-12C. The dynamic lines and sleek finish enhance the car's already striking appearance, giving it a more race-inspired look that makes a statement wherever you go.
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Increased Downforce & Stability: The diffuser’s design directs airflow smoothly through the rear of the car, improving rear-end stability by increasing downforce. This added downforce enhances grip and traction, allowing you to take corners with more confidence and control, whether on the road or track.
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Durability & UV Protection: The carbon fiber is coated with a high-gloss clear coat that not only adds shine but also protects the material from harmful UV rays, preventing fading and discoloration over time. The clear coat also helps protect against minor scratches, ensuring that the diffuser stays looking sharp and in top condition for years to come.
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Perfect Fitment for McLaren 650S / MP4-12C: Designed specifically for the McLaren 650S and MP4-12C, this rear diffuser provides a seamless, direct-fit installation. It is engineered to match the contours and dimensions of your vehicle, ensuring a precise fit without the need for modifications or adjustments.
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Easy Installation: The V3 diffuser is designed to fit directly into the factory mounting points of your McLaren 650S or MP4-12C. With all necessary hardware included, installation is straightforward and hassle-free, allowing you to enjoy your upgraded vehicle in no time.
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Lightweight Performance: Carbon fiber's lightweight nature significantly reduces the rear-end weight of your vehicle, which results in better acceleration, braking, and overall handling. This diffuser helps improve your McLaren's agility, making it even more responsive on the road or at the track.
For McLaren 650S and MP4-12C owners who want to enhance their car's aerodynamic performance, handling, and aggressive styling, the Carbon Fiber Rear Diffuser V3 is the ultimate upgrade. With its lightweight carbon fiber construction, improved downforce, and sleek design, this rear diffuser offers the perfect balance of form and function.
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 BMW 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 Irvine, CA location. You caninquire here.
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)