Evo I or Evo II front spoiler?

The Moshammer Downforce RS Aero Kit is supplied with whichever you select. Evo I is the more aggressive shape and gives the front end a bold, sporting look. Evo II adds side wings for a sharper and more modern appearance, and it is the choice most owners make when they want the nose to look wider rather than lower.

What do the ram air scoops actually do?

They act as intercooler air inlets, improving intercooler efficiency so the engine holds consistent performance during hard use, and they also tidy airflow along the rear flanks. On a Turbo used at track days that cooling benefit is the practical reason the Moshammer Downforce RS Aero Kit includes them.

Will the Moshammer Downforce RS Aero Kit fit a car with the factory Sport Design Aerokit?

No. Moshammer specifies this kit for 991.1 Turbo and Turbo S cars with the standard bumpers, not for cars already carrying the original Sport Design Aerokit.

Is the rear wing extension a full wing?

It is an extension for the factory rear spoiler rather than a separate wing structure, which is why it adds rear downforce without changing how the original spoiler operates.

Does the Moshammer Downforce RS Aero Kit come with fitting hardware and documentation?

Yes. The mounting material is included, parts locate on OEM screwing points, and a TUV parts certificate (§19.3) is supplied with the set.

What part numbers make up the Moshammer Downforce RS Aero Kit?

The kit is P991.20.7000 or P991.20.7002 depending on the front spoiler chosen. Its pieces are the Front spoiler Evo I (P991.20.1020) or Evo II (P991.20.1022), side skirts (P991.22.2020), rear spoiler extension (P991.20.3020), ram air scoops (P991.20.2025) and the rear diffuser (P991.20.3040).

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Description

Moshammer Downforce RS Aero Kit for 991.1 Porsche 911 Turbo & Turbo S

Moshammer Downforce RS Aero Kit was developed for the 991.1 Turbo and Turbo S owners who actually use the car’s reserves, the clubsport crowd who book track days and expect the aerodynamics to keep up. Its reference points are the GT-RS models, and the package is comprehensive: a front spoiler in your choice of Evo I or Evo II form, side skirts, a rear spoiler extension, a rear diffuser and a pair of ram air scoops feeding the intercooler inlets. Each element has a job, from minimizing turbulence along the flanks to dissipating undercarriage heat and generating rear downforce for high speed control, and together they make the car calmer at the speeds where a 991.1 Turbo stops being theoretical. Moshammer engineers and builds the set in Berlin, delivers it unpainted with mounting material, and supplies a TUV parts certificate (§19.3) so the work is documented rather than merely fitted. For an owner choosing between a subtle spoiler and a coherent aerodynamic strategy, this is the second answer.

Aerodynamic Function

The Moshammer Downforce RS Aero Kit treats the 991.1 Turbo as a single airflow problem rather than a collection of styling opportunities. Side skirts minimize air turbulence along the body to improve handling and stability, the rear diffuser reduces drag while increasing downforce for better traction, and the rear spoiler extension adds load over the rear axle for improved cornering and high speed control. The ram air scoops complete the picture by raising intercooler efficiency, which is what keeps performance consistent when the car is worked hard.

Design and Choices

The Moshammer Downforce RS Aero Kit is offered with two front spoilers, and the choice sets the character of the car. Evo I is the more aggressive of the pair, giving the nose a bold and overtly sporting attitude, while Evo II carries side wings for a sharper, more modern and sleeker reading of the same bumper. Behind them the skirts drop the visual center of the car and the wing extension and diffuser give the rear the race inspired presence the GT-RS cars established.

Engineering and Documentation

Moshammer designs these components in Berlin and produces them in small batches, so nothing here is a shelf item stamped in volume. Every part attaches at OEM screwing points and is secured with a special glue where required, and the mounting material ships with the kit. The Moshammer Downforce RS Aero Kit carries a TUV parts certificate (§19.3), which is the difference between a modified Turbo and a properly documented one.

Features

Attaches at OEM screwing points and secured with special glue where needed
Developed for owners who use their cars on track
Diffuser reduces drag while increasing downforce for better traction
Documented with a TUV parts certificate (§19.3)
Front spoiler offered as Evo I for a bolder nose or Evo II with side wings
Ram air scoops raise intercooler efficiency for consistent performance
Rear diffuser dissipates heat and reduces undercarriage heat buildup
Rear spoiler extension generates rear downforce for cornering and high speed control
Shipped unpainted, mounting material supplied in the box
Side skirts minimize air turbulence to improve handling and stability
Six part aerodynamic package inspired by the Porsche GT-RS models

What’s Included

Front spoiler in the selected Evo I or Evo II form (x1)
Mounting material (x1 set)
Ram air scoops for the intercooler inlets (x2)
Rear diffuser (x1)
Rear spoiler extension (x1)
Side skirts, left and right (x2)

Applications

Porsche 911 Turbo: 991.1 | 2014-2016
Porsche 911 Turbo S: 991.1 | 2014-2016

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.
Moshammer products are not eligible for return
Choose the Evo I or Evo II front spoiler when you order, since the two are separate parts at separate prices and cannot be swapped later without buying the other
Not for cars fitted with the original Porsche Sport Design Aerokit. contact us with your VIN if you are unsure which front bumper your Turbo left the factory with.
Every piece arrives unpainted, so budget for a painter who can match your car’s color code
Hand built to order in Berlin, normally 6 to 8 weeks before shipping

Frequently Asked Questions

Evo I or Evo II front spoiler? The Moshammer Downforce RS Aero Kit is supplied with whichever you select. Evo I is the more aggressive shape and gives the front end a bold, sporting look. Evo II adds side wings for a sharper and more modern appearance, and it is the choice most owners make when they want the nose to look wider rather than lower.
What do the ram air scoops actually do? They act as intercooler air inlets, improving intercooler efficiency so the engine holds consistent performance during hard use, and they also tidy airflow along the rear flanks. On a Turbo used at track days that cooling benefit is the practical reason the Moshammer Downforce RS Aero Kit includes them.
Will the Moshammer Downforce RS Aero Kit fit a car with the factory Sport Design Aerokit? No. Moshammer specifies this kit for 991.1 Turbo and Turbo S cars with the standard bumpers, not for cars already carrying the original Sport Design Aerokit.
Is the rear wing extension a full wing? It is an extension for the factory rear spoiler rather than a separate wing structure, which is why it adds rear downforce without changing how the original spoiler operates.
Does the Moshammer Downforce RS Aero Kit come with fitting hardware and documentation? Yes. The mounting material is included, parts locate on OEM screwing points, and a TUV parts certificate (§19.3) is supplied with the set.
What part numbers make up the Moshammer Downforce RS Aero Kit? The kit is P991.20.7000 or P991.20.7002 depending on the front spoiler chosen. Its pieces are the Front spoiler Evo I (P991.20.1020) or Evo II (P991.20.1022), side skirts (P991.22.2020), rear spoiler extension (P991.20.3020), ram air scoops (P991.20.2025) and the rear diffuser (P991.20.3040).

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 Downforce RS Aero Kit for 991.1 Porsche 911 Turbo & Turbo S [P991.20.7000/P991.20.7002]

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Moshammer Downforce RS Aero Kit for 991.1 Porsche 911 Turbo & Turbo S

Aerodynamic Function

Design and Choices

Engineering and Documentation

Features

What’s Included

Applications

Notes

Frequently Asked Questions

About Moshammer

Reviews