Moshammer
- Porsche 991 Carrera 2 3.0L (370 Bhp)
- Porsche 991 Carrera 2S 3.0L (420 Bhp)
- Porsche 991 Carrera 4 3.0L (370 Bhp)
- Porsche 991 Carrera 4S 3.0L (420 Bhp)
- Porsche 991 Cabriolet 2 3.0L (370 Bhp)
- Porsche 991 Cabriolet 2S 3.0L (420 Bhp)
- Porsche 991 Cabriolet 4 3.0L (370 Bhp)
- Porsche 991 Cabriolet 4S 3.0L (420 Bhp)
- Porsche 991 Targa 4 3.0L (370 Bhp)
- Porsche 991 Targa 4S 3.0L (420 Bhp)
- Porsche 991 Turbo Coupe 3.8L (540 Bhp)
- Porsche 991 Turbo S Coupe 3.8L (580 Bhp)
- Porsche 991 Turbo Cabriolet 3.8L (540 Bhp)
- Porsche 991 Turbo S Cabriolet 3.8L (580 Bhp)
With TÜV parts certificate (§19.3), Also recognized in Switzerland

Fits:
Porsche 991.2 Carrera S | 4S | GTS (PSE)
The 991.2 rear diffuser ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your Porsche a unique appearance.
This rear diffuser is delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.42.3040
The product you are viewing cross references to these numbers
- Porsche 991 Carrera 2S 3.0L (420 Bhp)
- Porsche 991 Carrera 4S 3.0L (420 Bhp)
- Porsche 991 Cabriolet 2S 3.0L (420 Bhp)
- Porsche 991 Cabriolet 4S 3.0L (420 Bhp)
- Porsche 991 Targa 4S 3.0L (420 Bhp)
With TÜV parts certificate (§19.3), Also recognized in Switzerland

Fits:
Porsche 991.2 Turbo | Turbo S
The 991.2 Turbo rear diffuser ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your porsche a unique appearance.
Our rear diffuser ensures the highest possible downforce. An important component for both cooling and aerodynamics.
Ensuring the removal of hot air. Optimized exhaust system cooling like the GT models. (vented diffuser frame incl. mesh grills)
This rear diffuser is delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.22.3040
The product you are viewing cross references to these numbers
- Porsche 991 Turbo Coupe 3.8L (540 Bhp)
- Porsche 991 Turbo S Coupe 3.8L (580 Bhp)
- Porsche 991 Turbo Cabriolet 3.8L (540 Bhp)
- Porsche 991 Turbo S Cabriolet 3.8L (580 Bhp)
With TÜV parts certificate (§19.3), Also recognized in Switzerland.

Fits:
Porsche 991 Turbo | Turbo S
Not for models with original Aerokit.
The 991 Turbo rear spoiler extension ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your Porsche a unique appearance.
Our 991 Turbo rear spoiler extension ensures the highest possible downforce. The original height adjustment and lowering are of course unchanged. The Porsche active aerodynamic rear spoiler functional capability stays and is not impaired.
MOSHAMMER® Patented mounting system, plug & play without drilling, and no screwing!
This Rear wing spoiler extension is delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.20.3020
The product you are viewing cross references to these numbers
- Porsche 991 Turbo 3.8L (520bhp)
- Porsche 991 Turbo S 3.8L (560Bhp)
- Porsche 991 Turbo Coupe 3.8L (540 Bhp)
- Porsche 991 Turbo S Coupe 3.8L (580 Bhp)
- Porsche 991 Turbo Cabriolet 3.8L (540 Bhp)
- Porsche 991 Turbo S Cabriolet 3.8L (580 Bhp)
With TÜV parts certificate (§19.3), Also recognized in Switzerland

Fits:
Porsche 991 Carrera 4 | 4S | GTS 4 |Targa | Cabriolet | All wide-body models (C4)
The 991 side skirts ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your Porsche a unique appearance. Our side skirts are much wider than the standard components, which leads to a wider underbody and therefore more downforce.
This Side skirts are delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.40.2020
The product you are viewing cross references to these numbers
- Porsche 991 Carrera C4 3.4L (350Bhp)
- Porsche 991 Carrera C4S 3.8L (400Bhp)
- Porsche 991 Carrera 4 3.0L (370 Bhp)
- Porsche 991 Carrera 4S 3.0L (420 Bhp)
- Porsche 991 Cabriolet 4 3.0L (370 Bhp)
- Porsche 991 Cabriolet 4S 3.0L (420 Bhp)
With TÜV parts certificate (§19.3) Also recognized in Switzerland.

Fits:
Porsche 991 Turbo | Turbo S | GT3 RS
The 991 Turbo side skirts ensure the best possible aerodynamic properties and are at the same time a beautiful oem+ design element that gives your Porsche a unique appearance.
Our Performance Side Skirts are much wider than the stock components. Leading to a wider underbody and thus to more downforce.
This side skirts are delivered primed & paint ready. Mounting material is included.
Please note this item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
P991.22.2020
The product you are viewing cross references to these numbers
- Porsche 991 Turbo 3.8L (520bhp)
- Porsche 991 Turbo S 3.8L (560Bhp)
- Porsche 991 GT3 RS 4.0L (500Bhp)
- Porsche 991 Turbo Coupe 3.8L (540 Bhp)
- Porsche 991 Turbo S Coupe 3.8L (580 Bhp)
- Porsche 991 Turbo Cabriolet 3.8L (540 Bhp)
- Porsche 991 Turbo S Cabriolet 3.8L (580 Bhp)