Rear Bumpers
- 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)
- Porsche 991 Speedster 4.0L (510Bhp)
- Porsche 991 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp)
- Porsche 991 GT2 RS 3.8L PDK (700 bhp)


Fits:
Porsche 991.2 Turbo 2017>>
For cars with Park Assist, front & rear. Without reversing camera (I636)
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150592300
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)
Fits:
Porsche 991.2 Carrera 2 - 2016 to 2019
Product Description
Rennline's carbon fiber rear diffuser is a great way to give the rear of your 991.2 an eye catching OEM+ upgrade by replacing the boring plastic unit. Made from hand-laid carbon fiber using the latest manufacturing technologies, our diffuser is sure to add a completely bespoke feel to the rear of your 991.2.
- Hand-laid carbon fiber construction
- High gloss finish with UV and heat protection
- Complete carbon fiber replacement for OEM diffuser
- Designed from the ground up using state of the art 3D scanning technology
- Installs in place of OEM unit with no adhesive
- OEM fit and finish
Fitment Guide:
For cars with standard exhaust system - non Sports Exhaust
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
E377
The product you are viewing cross references to these numbers
- 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)


Fits:
Porsche 991 GT3 2018>>
Porsche 991 Speedster
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150581180OK1
The product you are viewing cross references to these numbers
- Porsche 991 Speedster 4.0L (510Bhp)
- Porsche 991 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp)
.

Material: Polyethylene plastic (PP)
Please note: This item is special order only. Not stocked. Please allow approx 10-12 weeks for delivery.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991GT2RBP.2
The product you are viewing cross references to these numbers
- Porsche 991 Carrera 2 3.0L (370 Bhp)
- Porsche 991 Carrera 2S 3.0L (420 Bhp)
- Porsche 991 Cabriolet 2 3.0L (370 Bhp)
- Porsche 991 Cabriolet 2S 3.0L (420 Bhp)

Fits:
Porsche 991.2 911 GT2 RS
The rear diffuser is designed to increase downforce to the rear end, creating increased stability and handling.
Made of pre-preg autoclave carbon fiber construction with a high glossy finish.
- Porsche 991 GT2 RS 3.8L PDK (700 bhp)


Fits
Porsche 991.2 Turbo 2017>>
NOT for cars with Turbo Aerokit.
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150581103OK1
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)


Fits:
Porsche 991.2 GTS 2017-19
Porsche 991.2 C4 / C4S (for cars with factory PSE option 176)
Prepreg dry carbon fibre with high polished black finish
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991.2C4GTSCARBREARSPLIT
The product you are viewing cross references to these numbers
- 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)
- Porsche 991 Targa 4 3.0L (370 Bhp)
- Porsche 991 Targa 4S 3.0L (420 Bhp)
Fits:
Porsche 991.2 - 2019 to 2024
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99150581104
The product you are viewing cross references to these numbers
- 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)
With TÜV parts certificate (§19.3), Also recognized in Switzerland

Fits:
Porsche 991.2 Carrera S | 4S | GTS (PSE)
The 991.2 rear diffuser evo ensures the best possible aerodynamic properties and is at the same time a beautiful oem+ design element that gives your Porsche a unique appearance. 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.
P991.42.3042
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)

Fits:
Porsche 991.2 (for cars with factory PSE option 176)
Prepreg dry carbon fibre with high polished black finish
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991.2CARBREARDIFFPSE
The product you are viewing cross references to these numbers
- 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)
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)
For cars with Sport Exhaust Package

Fits:
Porsche 991.2 - 2016 to 2018
Product Description
Rennline's carbon fiber rear diffuser is a great way to give the rear of your 991.2 an eye catching OEM+ upgrade by replacing the boring plastic unit.
Made from hand-laid carbon fiber using the latest manufacturing technologies, our diffuser is sure to add a completely bespoke feel to the rear of your 991.2.
- Hand-laid carbon fiber construction
- High gloss finish with UV and heat protection
- Complete carbon fiber replacement for OEM diffuser
- Designed from the ground up using state of the art 3D scanning technology
- Installs in place of OEM unit with no adhesive
- OEM fit and finish
- Replaces OE Part Number - 99150581104OK1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
E378
The product you are viewing cross references to these numbers
- 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)
Fits Coupe and Cabriolet
Porsche 991.2 turbo
Porsche 991.2 turbo S
Available in gloss or matt carbon fibre finish
The Porsche 911 Turbo models make promises to performance, tradition and last but not least to technological leadership. A distinctive design as well as meaningful proportions and innovative aerodynamics express these attributes evidently.
The TECHART aerodynamic trims add another feature which is just as important: your personal character traits an individual styling highlights. It also copes with the characteristic design language of the basic vehicle in a technical, qualitative and stylistic way.
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.
09112158700
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)
Fits Coupe and Cabriolet
Porsche 991.2 Carrera / Carrera S
Porsche 991.2 Carrera 4 / Carrera 4S
Porsche 991.2 Targa 4 /Targa 4S
Porsche 991.2 GTS / GT4S / Targa 4 GTS
Available in black PU material to be painted
The Porsche 911 models make promises to performance, tradition and last but not least to technological leadership. A distinctive design as well as meaningful proportions and innovative aerodynamics express these attributes evidently.
The TECHART aerodynamic trims add another feature which is just as important: your personal character traits an individual styling highlights. It also copes with the characteristic design language of the basic vehicle in a technical, qualitative and stylistic way.
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.
091100552009
The product you are viewing cross references to these numbers
- 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)