




Prepreg Carbon Fiber Rear Diffuser - Tesla Model 3 Highland
Elevate the performance and appearance of your Tesla Model 3 Highland with the Prepreg Carbon Fiber Rear Diffuser. Crafted from high-quality prepreg carbon fiber, this rear diffuser not only enhances the sleek, futuristic design of your Model 3 but also optimizes aerodynamics, improving handling and stability at higher speeds. This premium, lightweight diffuser is an essential upgrade for those looking to combine style with functional performance.
Features:
-
Prepreg Carbon Fiber Construction
The Prepreg Carbon Fiber Rear Diffuser is constructed using high-grade prepreg carbon fiber, ensuring a high-strength, lightweight material that offers superior durability and a flawless finish. Prepreg carbon fiber is known for its strength, consistency, and resistance to wear, making it an excellent choice for automotive upgrades. -
Improved Aerodynamics
This diffuser is designed to optimize airflow under your Tesla Model 3, reducing drag and increasing downforce. By improving airflow around the rear of your vehicle, the rear diffuser helps enhance stability and handling, particularly at higher speeds, making it an excellent addition for performance-driven driving. -
Sleek, Modern Design
The carbon fiber construction adds a sleek, race-inspired look to your Tesla Model 3 Highland. The sharp lines and glossy finish give your vehicle a more aggressive and custom appearance, ensuring it stands out from the crowd while maintaining a clean, sophisticated look. -
Lightweight and Performance-Enhancing
Carbon fiber’s strength-to-weight ratio ensures that the rear diffuser is lightweight but incredibly durable. The reduced weight improves overall vehicle dynamics, enhancing acceleration, braking, and handling by minimizing unnecessary weight without compromising structural integrity. -
Perfect Fitment for Tesla Model 3 Highland
Designed specifically for the Tesla Model 3 Highland, this rear diffuser offers a perfect fit, integrating seamlessly into your vehicle’s existing design. It’s a direct replacement for the stock diffuser, ensuring a factory-like appearance and functionality with no modifications required. -
UV-Resistant Coating
The prepreg carbon fiber is coated with a UV-resistant finish, ensuring it retains its glossy, high-performance look for years to come. This protective coating prevents fading, discoloration, and oxidation, keeping your rear diffuser looking brand new even in harsh weather conditions. -
Enhanced Visual Appeal
The carbon fiber rear diffuser enhances the rear-end styling of your Tesla Model 3, adding a bold, performance-oriented look. The glossy finish and aggressive design give your vehicle a dynamic, race-ready appearance, complementing its modern lines and advanced electric design. -
Weather-Resistant and Durable
Built to withstand the elements, the prepreg carbon fiber rear diffuser is resistant to cracking, fading, and other environmental damage. Whether you're facing intense heat, rain, or snow, this rear diffuser will continue to perform and maintain its sleek look. -
Easy Installation
Designed for a simple, hassle-free installation, this rear diffuser is engineered to fit directly onto your Tesla Model 3 Highland without modifications. Pre-drilled holes and included hardware make the process quick and easy. Professional installation is recommended for optimal results and fitment.
Upgrade your Tesla Model 3 Highland with the Prepreg Carbon Fiber Rear Diffuser for enhanced aerodynamics, a sleek custom look, and improved vehicle performance. Whether you’re seeking better stability at high speeds or simply want to upgrade the style of your electric vehicle, this rear diffuser offers the perfect combination 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 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)