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Porsche > 991 (911) MK2 2016-2019 > Chassis / Bodywork > Bumpers Rear >

Lower spoiler / Diffuser / Valance

Lower spoiler / Diffuser / Valance

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DISPLAYING 1 to 7 (of 7 products)
Rear bumper apron. Porsche 991.2 2017>> - 99104480335, 99104480336
1
Rear bumper apron. Porsche 991.2 2017>>
Special Order item
99104480335
Product Information
Product Information
Rear bumper apron. This bumper comes PRIME COATED and will have to be painted to desired colour.

porsche

Fits:
Porsche 991.2 C2 / C2S 2017>>
Porsche 991.2 C4 / C4S 2017>>
Porsche 991.2 Targa / Targa S 2017>>
Porsche 991.2 Carrera T 2017>>

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99104480335
99104480335
99104480336

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Rear bumper diffuser carbon fibre by Rennline. Porsche 991.2 - 99150581102OK1 - E377
7
Rear bumper diffuser carbon fibre by Rennline. Porsche 991.2
E377
Product Information
Product Information
Rear bumper diffuser carbon fibre by Rennline. 

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 



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E377
99150581102OK1

The product you are viewing cross references to these numbers
Rear bumper diffuser, Matt black. Porsche 991.2 Carrera - 99150581102OK1
2
Rear bumper diffuser, Matt black. Porsche 991.2 Carrera
Special Order item
99150581102OK1
Product Information
Product Information
Rear bumper diffuser, Matt black.

Fits:
Porsche 991.2 Carrera 2 / 2S 2016 - 2019
Porsche 991.2 Carrera 4 / 4S 2016 - 2019
* for cars WITHOUT Sport exhaust system

Diagram ref no 3

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99150581102OK1
99150581102OK1

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Rear bumper diffuser. Porsche 991 GT3 2018>> - 99150581180OK1, 99150581180
5
Rear bumper diffuser. Porsche 991 GT3 2018>>
Special Order item
99150581180OK1
Product Information
Product Information
Rear bumper diffuser. Matt black.

porsche

Fits:
Porsche 991 GT3 2018>>
Porsche 991 Speedster

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

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99150581180OK1
99150581180OK1
99150581180

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Rear bumper lower spoiler. Porsche 991.2 Turbo 2017>> - 99150581103OK1, 99150581103OK1
2
Rear bumper lower spoiler. Porsche 991.2 Turbo 2017>>
Special Order item
99150581103OK1
Product Information
Product Information
Rear bumper lower spoiler.
porsche

Fits
Porsche 991.2 Turbo 2017>>
NOT for cars with Turbo Aerokit.

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

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99150581103OK1
99150581103OK1
99150581103OK1

The product you are viewing cross references to these numbers
Rear diffuser carbon fibre. Porsche 991.2 with Sports Exhaust - 99150581104OK1 - 991.2.24.02.BC, 991.2.24.02.VCG, 991.2.24.02.PR, 991.2.24.02.GB
2
Rear diffuser carbon fibre. Porsche 991.2 with Sports Exhaust
99150581104
Product Information
Product Information
Rear diffuser carbon fibre - for cars with Porsche Sports Exhaust


Fits:
Porsche 991.2 - 2019 to 2024

Dissident's 991.2 carbon fibre rear diffuser features OEM+ grade fitment giving an enhanced material palette and far sportier stance & appearance. It directly replaces the standard plastic diffuser moulding. 

This item is suitable for all 991.2 Carrera models featuring the sports exhaust option (central exhaust pipes).

The diffuser is available in a range of finishes including - gloss lacquered visual carbon, bare / raw carbon, gloss black or primer finished. 

All our components  feature our unique designs and are made by hand in the UK and cured via autoclave in carbon fibre / metallic precision made tooling to deliver OEM grade components weave matched to standard OEM weaves used on external mirrors and roof panels. 

This product is currently not TÜV approved.



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99150581104
99150581104OK1

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Rear diffuser exhaust tailpipe surround carbon fibre. Porsche 991.2 - 991505651040K1 - ZPR606
3
Rear diffuser exhaust tailpipe surround carbon fibre. Porsche 991.2
ZPR606
Product Information
Product Information
Rear diffuser exhaust tailpipe surround - Carbon Fibre. 

zunsport

Fits:
Porsche 991.2 Carrera 2 / Carrera 4 - 2016 to 2019
Porsche 991.2 Carrera 2S / Carrera 4S - 2016 to 2019
Porsche 991.2 Carrera GTS - 2017 to 2019

  • 100% high quality carbon fibre
  • Hand polished before dispatch
  • Extensively coated, including UV protection

To facilitate installation, we recommend having the installation carried out by a qualified automotive parts technician. This is not a carbon look or a carbon film. This product contains real 100% carbon fibre.



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ZPR606
991505651040K1

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DISPLAYING 1 to 7 (of 7 products)
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About Lower spoiler / Diffuser / Valance

Enhance both the performance and aesthetics of your Porsche with rear bumper lower spoilers, diffusers, and valances from Design911. These aerodynamic components are engineered to optimise airflow, increase stability, and refine your vehicle’s rear-end styling. Whether you’re upgrading for track performance or restoring factory bodywork, each part is crafted to OEM specifications for perfect fitment and durability. Choose from factory replacement panels, lightweight performance diffusers, or custom valances to achieve the look and function your Porsche deserves. From classic air-cooled models to the latest sports variants, Design911 provides precision-built aerodynamic parts trusted by Porsche owners worldwide.

Rear Diffusers
Aerodynamic Porsche diffusers designed to improve underbody airflow, reduce drag, and enhance rear-end downforce. Available in OEM and performance-grade materials.

Lower Rear Spoilers & Lips
Subtle yet effective spoilers that reduce turbulence and improve stability at high speeds. Designed for a seamless factory fit and refined Porsche styling.

Rear Valance Panels
Replacement and performance rear valances that complete the bumper assembly, adding structure and style while maintaining aerodynamic efficiency.

Classic Porsche Lower Trims
Authentic reproduction rear valances and diffusers for classic models such as the 911, 964, and 930 Turbo — ideal for concours restorations.

Carbon Fibre & Lightweight Aero Parts
High-performance lightweight carbon fibre or composite aero parts designed for motorsport applications and modern Porsche performance builds.

Mounting Brackets & Fitting Accessories
OEM-quality brackets, fasteners, and hardware for easy installation of Porsche diffusers and valance panels, ensuring secure fitment and factory alignment.

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