MOSHAMMER CARRERA SIDE SKIRTS FOR 991 PORSCHE 911 CARRERA
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Moshammer Carrera Side Skirts for 991 Porsche 911 Carrera
Moshammer Carrera Side Skirts were drawn for the wide body 991, the C4 cars whose hips already promise more than the factory sill delivers. Significantly wider than the standard component, they push the underbody outward, and that wider underbody translates directly into more downforce as speed builds. Moshammer engineers in Berlin to an OEM+ brief and documents the result with a TUV parts certificate (§19.3), which tells you how the part was developed rather than how it was styled. Installation uses the original screw points and clips, so nothing is cut and nothing is improvised. Delivered unpainted with mounting material and made to order in small batches, for owners who would rather refine a 991 than restyle it.
Design and Restraint
- The wide body 991 is one of the better resolved shapes Porsche has built, and it does not need rescuing. These skirts respect that, adding width low down where the car is already broad so the proportions settle rather than change. From ten feet away the car simply looks more purposeful, and it takes a trained eye to work out why.
Aerodynamic Function
- Because the Moshammer Carrera Side Skirts are significantly wider than the standard components, the underbody becomes wider too, and a wider underbody generates more downforce. Air is kept working beneath the car instead of spilling out from under the doors, which is felt as composure at speed rather than as a headline figure. It is a small aerodynamic gain of the honest kind, achieved by geometry rather than by decoration.
Engineering and Fitment
- The set mounts at the original screw points and clips with the supplied mounting material, so no panel is cut and the car can be returned to standard. It arrives unpainted, which gives your painter full freedom over body color, satin black or a contrast, and a TUV parts certificate (§19.3) documents the component to German road standards. Made to order in Berlin in small batches, each set is built rather than stocked.
Features
- Delivered unpainted for paint to body color
- Drawn specifically for the wide body C4 shell
- Installs at the original screw points and clips
- Made to order in small batches in Berlin
- OEM+ line that follows the factory bodywork
- Significantly wider than the standard 991 sills
- Supplied as a matched left and right pair
- Supplied with TUV parts certificate (§19.3)
- Wider underbody for increased downforce
What’s Included
- Detailed installation instructions (x1)
- Mounting material, one set per side (x2)
- Wider performance side skirts, left and right (x2)
Applications
- Porsche 911 Carrera 4: 991.1, 991.2 | 2013-2019
- Porsche 911 Carrera 4 Cabriolet: 991.1, 991.2 | 2013-2019
- Porsche 911 Carrera 4 GTS: 991.1, 991.2 | 2015-2019
- Porsche 911 Carrera 4 GTS Cabriolet: 991.1, 991.2 | 2015-2019
- Porsche 911 Carrera 4S: 991.1, 991.2 | 2013-2019
- Porsche 911 Carrera 4S Cabriolet: 991.1, 991.2 | 2013-2019
- Porsche 911 Targa 4: 991.1, 991.2 | 2014-2019
- Porsche 911 Targa 4S: 991.1, 991.2 | 2014-2019
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
- WIDE BODY (C4) CARS ONLY. Moshammer lists this set for 991 Carrera 4, 4S, GTS 4, Targa and Cabriolet wide body models. It will not fit a narrow body C2 Carrera or Carrera S, which needs the separate C2 version. Contact us with your VIN if you are unsure which body your car has.
- Delivered unpainted, paint or wrap to body color is not included, contact us for a quote on a painted set
- Made to order in Berlin, so allow build time before shipping, contact us for the current lead time
Frequently Asked Questions
- Will these fit a narrow body 991? No. The Moshammer Carrera Side Skirts are shaped for the wide body C4 cars, including Carrera 4, 4S, GTS 4, Targa and Cabriolet wide body models. A narrow body C2 car needs the version cut for that shell.
- How are the Moshammer Carrera Side Skirts installed? Using the original screw points and clips with the supplied mounting material, so the factory fixing locations do the work and nothing needs to be drilled or cut.
- Do they come painted? No. The Moshammer Carrera Side Skirts are delivered unpainted so the finish can be matched precisely to your car, which is easier and cleaner done before they go on.
- What is the TUV parts certificate on the Moshammer Carrera Side Skirts for? It is German documentation under §19.3 confirming the part was assessed for road use. It is not needed to register a car in the United States, but it is a reliable indicator of how the component was engineered.
- Can they be removed later? Yes. Because the Moshammer Carrera Side Skirts use the original screw points and clips, the factory sills can be refitted without new bodywork or repair.
- Are the Moshammer Carrera Side Skirts sold as a pair? Yes. Each set is a matched left and right pair, with mounting material for both sides and detailed installation instructions in the box.
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.
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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.
- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.







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