





Carbon Fiber Rear Diffuser - Alfa Romeo Giulia 2016-2020 Sport model
Enhance the performance and appearance of your Alfa Romeo Giulia (2016-2020 Sport Model) with the Carbon Fiber Rear Diffuser. Designed to deliver a more aggressive, track-inspired look while improving aerodynamic efficiency, this rear diffuser is the perfect upgrade for those looking to elevate their Giulia’s performance capabilities and visual appeal. Made from high-quality carbon fiber, this diffuser offers a lightweight, durable, and sleek design that seamlessly integrates with your vehicle’s rear end.
Key Features:
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High-Quality Carbon Fiber Construction:
- Constructed from premium carbon fiber, this rear diffuser provides a lightweight yet strong solution that enhances both the look and performance of your Alfa Romeo Giulia.
- Carbon fiber is known for its strength-to-weight ratio, ensuring durability while keeping the overall weight of your vehicle low for improved handling.
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Improved Aerodynamics:
- The rear diffuser is designed to optimize airflow under the vehicle, reducing drag and turbulence while improving downforce at higher speeds.
- By channeling airflow more efficiently, it helps stabilize the vehicle during high-performance driving, enhancing cornering stability and overall handling.
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Sleek, Sporty Design:
- The carbon fiber finish adds a race-inspired aesthetic, giving your Giulia a more aggressive, dynamic appearance that complements the sporty design of the vehicle.
- The exposed carbon fiber weave provides a premium, motorsport-inspired look that’s sure to stand out, adding a touch of sophistication to your car's rear end.
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Perfect Fitment for Alfa Romeo Giulia (2016-2020 Sport Model):
- Specifically designed to fit the Alfa Romeo Giulia Sport Model (2016-2020), this rear diffuser offers a precise, OEM-like fit that integrates seamlessly into the vehicle’s design.
- The diffuser is designed to match the contours of the rear bumper, ensuring a clean and seamless installation that enhances your car’s appearance without requiring extensive modifications.
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Durability and Scratch Resistance:
- Carbon fiber is not only lightweight but also highly durable, offering excellent resistance to scratches, chips, and other signs of wear.
- The diffuser’s carbon fiber surface is designed to withstand the rigors of everyday driving, providing a long-lasting solution that keeps your rear bumper looking fresh and stylish.
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UV and Weather Resistant:
- Coated with a protective UV-resistant finish, the carbon fiber diffuser will resist fading or discoloration caused by exposure to the sun.
- Designed to handle various weather conditions, including rain, snow, and heat, this rear diffuser maintains its performance and appearance over time, even in the harshest environments.
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Easy Installation:
- The Carbon Fiber Rear Diffuser is designed for easy, bolt-on installation with minimal tools required, making it suitable for both professional installations and DIY enthusiasts.
- The direct-fit design ensures a hassle-free installation process, with no cutting or drilling needed, allowing you to enhance your vehicle's aerodynamics in no time.
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Lightweight Performance Upgrade:
- The lightweight nature of the carbon fiber material helps reduce overall weight, contributing to improved acceleration, handling, and fuel efficiency.
- This rear diffuser is not just an aesthetic upgrade but also a functional one, offering tangible performance benefits while maintaining a low weight profile.
Customizable Look:
- Available in both gloss and matte carbon fiber finishes, you can select the one that best matches the style and color scheme of your Alfa Romeo Giulia.
- The carbon fiber finish can be paired with other carbon fiber accents around the vehicle for a coordinated, high-performance aesthetic.
The Carbon Fiber Rear Diffuser for Alfa Romeo Giulia 2016-2020 Sport Model is an essential upgrade for those seeking to enhance their vehicle’s aerodynamics, performance, and visual appeal. With its lightweight construction, sleek design, and improved handling characteristics, this diffuser delivers a winning combination of style and function, making it the perfect addition to your Giulia.
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)