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Description

Vorsteiner Carbon EVO Rear Diffuser for 991.2 Porsche 911 GT2 RS

The Vorsteiner EVO Aero Carbon Fiber Rear Diffuser for the 991.2 Porsche 911 GT2 RS is part of Vorsteiner’s GT2 RS EVO package, engineered to increase rear downforce and improve stability and handling at speed. Constructed from resin pre-impregnated, vacuum-formed carbon fiber cured in an aerospace-grade autoclave, the diffuser is 20-30% stiffer and stronger than conventional wet-lay carbon while coming in lighter; the vacuum-forming process draws out excess resin during curing, removing weight without compromising structural rigidity. The result is a component that installs cleanly against factory shut lines and body contours, using a combination of unidirectional, 1×1, and 2×2 weave carbon fiber to optimize both strength and weight.

Vorsteiner Technology

Vorsteiner engineers every aerodynamic component to push performance boundaries rather than follow them. The EVO Aero Rear Diffuser for the 991.2 GT2 RS is produced using an aerospace-grade autoclave process that delivers exceptional rigidity, structural integrity, and surface finish. This isn’t carbon fiber that looks advanced; it is advanced.

OEM Fitment

Vorsteiner’s proprietary manufacturing process gives precise control over tolerances, fit, and finish. The EVO Aero Rear Diffuser aligns with the GT2 RS’s factory shut lines and body contours, delivering an installation that feels OEM in fit but unmistakably premium in appearance. This is not close-enough aftermarket fitment; it installs cleanly and integrates directly with the car’s existing design language.

Stronger & Lighter

The diffuser is manufactured using resin pre-impregnated, vacuum-formed carbon fiber; technology drawn from aerospace and motorsport applications. Compared to traditional wet-lay carbon fiber, the process produces a component that is 20-30% stiffer and stronger. Vacuum-drawing excess resin during curing removes what doesn’t contribute to strength, resulting in a lighter part without any reduction in rigidity or durability.

Features

Pre-impregnated vacuum-formed carbon fiber construction
Aerospace-grade autoclave curing process
20-30% stiffer and stronger than wet-lay carbon fiber
Combination of unidirectional, 1×1, and 2×2 weave carbon fiber
Excess resin removed during curing for reduced weight without loss of rigidity
Engineered to increase rear downforce
Improves high-speed stability and handling
Precise fitment against factory shut lines and body contours
Available in Glossy or Satin finish

Complete the Kit

Applications

Porsche 911 GT2 RS: 991.2 | 2017-2019

Notes

Images show Glossy finish

Frequently Asked Questions

What separates Vorsteiner’s pre-impregnated carbon fiber from conventional wet-lay construction? Wet-lay processes saturate dry carbon fiber with resin by hand during layup, which leaves excess resin in the finished part. Pre-impregnated carbon fiber starts with resin already distributed evenly through the material, and vacuum-forming during autoclave curing draws out what remains. The result is a part that is 20 to 30 percent stiffer and stronger than a wet-lay equivalent while also being lighter; the resin that gets removed wasn’t contributing to strength, only weight.
Does the diffuser require any modification to the GT2 RS’s rear bumper or exhaust cutouts? No. Vorsteiner engineers the EVO Aero Rear Diffuser specifically around the 991.2 GT2 RS’s factory geometry. It aligns with existing shut lines and body contours without requiring trimming or modification to the OEM bumper.
How does the combination of unidirectional, 1×1, and 2×2 weave carbon fiber affect the finished part? Each weave type has different strength and flexibility characteristics. Unidirectional fiber carries load efficiently in one axis and is used where tensile strength in a specific direction matters most. The 1×1 and 2×2 weaves distribute strength more evenly across the surface and contribute to the visual appearance of the part. Using all three allows Vorsteiner to optimize structural performance across the full geometry of the diffuser rather than relying on a single weave throughout.

About Vorsteiner

Vorsteiner is a company that was conceived through the imagination of creating the highest quality parts for the most discerning vehicles and clientele. Their relentless pursuit of advancement and perfection is seen not only in our unmatched automotive parts, but also in the hands of carbon fiber craftsmen to create purely sensational parts for the most deserving and elite vehicles. Vorsteiner’s vision is only one thing — create then place in the hands of car aficionados everywhere the most advanced and innovative parts that are unrivaled in quality and aesthetic beauty. Pushing the boundaries of art and technology, Vorsteiner will not cease to lead the industry with the premium composites manufacturing technology. Every Vorsteiner product is rigorously tested and must pass their highly detailed quality control before leaving the on-site Vorsteiner factory. Only after rigorous testing can a part be deemed worthy of the Vorsteiner name. Their clientele expect nothing less than perfection from Vorsteiner, and they welcome and exceed these expectations. There is a leader that Vorsteiner is an industry leader in, not only wheels, but aero products. This is due to the uncompromising and relentless pursuit for perfection. The byproduct of this pursuit is an aesthetically superior, lighter, stronger, and quickly delivered product. Perfection Redefined.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Vorsteiner Carbon EVO Rear Diffuser for 991.2 Porsche 911 GT2 RS [POV2050/POV2051]

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Vorsteiner Carbon EVO Rear Diffuser for 991.2 Porsche 911 GT2 RS

Vorsteiner Technology

OEM Fitment

Stronger & Lighter

Features

Complete the Kit

Applications

Notes

Frequently Asked Questions

About Vorsteiner

Reviews