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Description

Moshammer Ducktail Evo II for 992 Porsche 911

Moshammer Ducktail Evo II is an unusually literate piece of design work, a direct tribute to the Porsche 911 Carrera RS Mighty Ducktail of the 1970s redrawn for the 992 with the cooling demands of a modern turbocharged car built in. Integrated ram air ducts feed the intercoolers, intake ports and engine compartment, moving more air than the inlets of the 992 Sport Classic and Turbo S, which is a rare case of a nostalgic shape doing measurable work. The profile is fixed rather than adjustable, so downforce is consistent instead of variable, and the design is TUV tested and certified for high speed and track performance. Moshammer also left the original top mounted third brake light fully visible and functional, and the part is compliant with regulations in regions including the USA and Europe. Delivered in satin black with mounting material and a TUV parts certificate (§19.3), it is the sort of restrained, well documented refinement that survives close inspection by people who know the car.

Heritage and Design

The 1973 Carrera RS ducktail was never a styling flourish; it was an aerodynamic answer that happened to look magnificent. Evo II takes that logic seriously, echoing the elegant line later revived by the 992 Sport Classic while resolving the shape around the 992’s own deck and shoulders. The result reads as something Porsche might have built rather than something added afterwards, which is the only standard worth aiming for on this car.

Ram Air Cooling

Ducts integrated into the spoiler direct air onto the intercoolers, into the intake ports and through the engine compartment, and Moshammer positions their flow above that of the 992 Sport Classic and Turbo S inlets. That matters because a fixed spoiler on a turbocharged flat six normally costs cooling, and here it adds it. Under sustained load the benefit is not theoretical, it is the reason this design became the benchmark others are measured against.

Documentation and Legality

Evo II is TUV tested and certified for high speed and track performance and ships with a TUV parts certificate (§19.3), so the paperwork matches the part. Moshammer states compliance with regulations in regions including the USA and Europe, and the original top mounted third brake light in the engine cover grille stays visible and fully functional. For an owner who wants a modified car that is still an unambiguously legitimate one, that combination is the whole argument.

Features

Airflow surpassing the 992 Sport Classic and Turbo S inlets
Compliant with regulations in regions including the USA and Europe
Delivered in satin black with mounting material included
Fixed design with no adjustability, delivering consistent downforce
Integrated ram air ducts cool the intercoolers, intake ports and engine compartment
Original top mounted third brake light remains visible and functional
Seamless OEM fit on the original rear deck
Supplied with a TUV parts certificate (§19.3)
Tribute to the Porsche 911 Carrera RS Mighty Ducktail of the 1970s
TUV tested and certified for high speed and track performance

Applications

Porsche 911 Carrera: 992.1 | 2020-present
Porsche 911 Carrera S: 992.1 | 2020-present
Porsche 911 Carrera GTS: 992.2 | 2025-present
Porsche 911 Carrera 4 GTS: 992.2 | 2025-present
Porsche 911 GT3 Touring: 992.1, 992.2 | 2020-present

Notes

Moshammer parts ship directly from Germany. Import taxes, duties, and tariffs may apply upon delivery and are the responsibility of the buyer. These fees are neither collected nor paid by Bulletproof Automotive.
Not suitable for 992 Cabriolet or Targa models
Delivered in satin black, so allow for paint to your colour code if you want an exact body match, contact us for finish options
Made to order in Berlin in small batches, contact us for the current lead time

Frequently Asked Questions

Is this a copy of the 992 Sport Classic spoiler? No. Both look back to the Carrera RS ducktail, but this is Moshammer’s own design, and its integrated ram air ducts move more air than the Sport Classic and Turbo S inlets do.
Does the third brake light stay usable? Yes. Evo II is engineered to preserve full visibility and function of the original top mounted third brake light integrated in the rear window engine cover grille.
What does a fixed spoiler do for handling? It removes the variable. Because there is no adjustability, downforce is consistent at speed rather than dependent on spoiler position, which is why Moshammer had the design TUV tested and certified for high speed and track performance.
Is it legal in the United States? Moshammer states that the part complies with regulations in regions including the USA and Europe, and it ships with a TUV parts certificate (§19.3). Local inspection rules still vary, so confirm anything specific to your state before ordering.
Which 992 models does it suit? It is made for 992.1 and 992.2 coupe bodywork, including Carrera, T, S, 4S, GTS and GT3 Touring. Cabriolet and Targa cars are not suitable.

About Moshammer

Moshammer Automotive is a Berlin-based manufacturer of OEM+ aerodynamic refinement for Porsche, with a smaller line for Mini, Audi, BMW, and Mercedes-Benz. The house style is restraint with intent: parts drawn to look as though the factory had gone one step further, developed against original mounting points, TUV-documented where German road use demands it, and produced in small batches rather than stocked in volume. Their catalog spans single accents such as vent grills and wing end blades through complete Downforce and Tradition RS aero programs, alongside a range of multipiece forged wheels made to order in any size, width, and finish.

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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Moshammer Ducktail Evo II for 992 Porsche 911

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Moshammer Ducktail Evo II for 992 Porsche 911

Heritage and Design

Ram Air Cooling

Documentation and Legality

Features

Applications

Notes

Frequently Asked Questions

About Moshammer

Reviews