Porsche 911 992 GT3 Alpha-N Carbon Fibre Rear Diffuser (Without Fins)

Alpha-N Carbon Fibre Rear Diffuser (Without Fins) For Porsche 992.1 GT3 And Touring. Premium OEM+ Carbon Styling Designed And Manufactured In Germany.

The Alpha-N Carbon Fibre Rear Diffuser (Without Fins) has been developed specifically for the Porsche 911 GT3 and GT3 Touring (992.1), replacing the factory rear diffuser with a premium carbon fibre component that delivers a sharper, more purposeful rear-end appearance while retaining the clean design language of the GT3.

Manufactured in Germany using high-quality multi-layer carbon fibre composite construction, this diffuser combines lightweight engineering with exceptional craftsmanship and OEM-level fitment. Designed to integrate seamlessly with the factory rear bumper, it provides an understated yet highly effective visual upgrade for owners seeking a refined motorsport-inspired finish.

The non-finned design closely follows the factory styling of the Porsche diffuser, making it the ideal choice for enthusiasts who prefer a clean OEM+ aesthetic without the more aggressive appearance of vertical diffuser fins.

Key Features

• Genuine Alpha-N carbon fibre rear diffuser
• Designed specifically for Porsche 992.1 GT3 and GT3 Touring
• Clean, non-finned design for a refined OEM+ appearance
• Premium multi-layer carbon fibre composite construction
• High-gloss clear lacquer finish
• Lightweight performance-focused construction
• Precision-engineered OEM+ fitment
• Complements the factory rear bumper design
• Designed and manufactured in Germany
• Suitable for both road and track-focused GT3 builds

Refined Carbon Fibre Styling

The rear diffuser is one of the most distinctive features of the Porsche 992 GT3, helping to define the car’s aggressive stance and motorsport-inspired character. Alpha-N has designed this carbon fibre diffuser to enhance those factory lines rather than completely reinvent them. The result is a beautifully integrated component that introduces the depth, texture and premium finish of exposed carbon fibre while maintaining the timeless proportions of the original design. Whether paired with other Alpha-N exterior components or installed as a standalone upgrade, the rear diffuser creates a more premium and technical appearance that perfectly complements the GT3’s rear bumper.

Why Alpha-N?

Alpha-N is a German performance engineering specialist focused on developing high-end carbon fibre and aerodynamic components for some of the world’s most capable performance vehicles. Unlike purely cosmetic carbon manufacturers, Alpha-N approaches each product with motorsport-derived engineering principles, combining advanced manufacturing techniques with precise fitment and functional design. Their carbon fibre components are developed using modern CAD design methods and produced with a focus on lightweight construction, structural quality, and OEM-level finish.

For Porsche GT3 owners, Alpha-N represents the perfect balance between motorsport inspiration, German engineering, and premium craftsmanship.

YouTube Video

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Installation

This product is designed as a direct replacement for the factory version. Professional installation is highly recommended to ensure correct alignment and panel fitment with the vehicle itself.

If you choose to opt for Installation here at our HQ, this includes full installation of the rear diffuser which takes approximately 2 hours.

Compatibility:

• Porsche 911 – 992.1 GT3 (2021 – 2024)
• Porsche 911 – 992.1 GT3 Touring (2021 – 2024)

Porsche Partner Network

We’re now part of the Porsche Partner Network so you can rest assured that your vehicle is being worked on at the highest standard and with the latest tooling and technology. You as always will be treated to our 5* Installation & Customer Service.

You can read more about this here – https://carbonwurks.com/carbonwurks-your-premier-independent-porsche-partner-in-dorset/

Please Note:

• We are able to ship this part world-wide. 
• These parts are normally made to order with a lead time of approximately 4-5 weeks.
• This is a large item so shipping will be expensive. Please get in touch with your shipping details and we’ll work out a specific cost to ship to you.
• If you are unsure of fitment, or would like up to date stock levels, please drop us a message and get in touch.