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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Wind Deflectors

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DISPLAYING 1 to 6 (of 6 products)
99153755152/1
Product Information
Product Information
Anti wind buffering kit. 
Sold as a pair

Fits:
Porsche 718 Cayman - 2017 to 2024
Porsche 718 Cayman GT4 / GT4 RS - 2019 to 2024

Introduction:

  • Aerodynamically optimized to eliminate the wind vibration in the cabin with open windows during high-speed driving.
  • Made using racing-grade dry carbon fiber
  • Provide a more track-like exterior aesthetics.
  • Priced for two (left & right)



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99153755152
99153755152

The product you are viewing cross references to these numbers
FSPOR718GT4ABK
Product Information
Product Information
Blackmill performance anti-wind buffeting kit.

fabspeed

Cut down on the wind buffeting in your 718 GT4 / GTS / Spyder with these specially-engineered tabs that eliminate the wind buffeting caused by driving at speed with the windows down.

FEATURES:

Fits all Porsche 718 GT4 / GTS / Spyder (2020+) Models
• Specifically engineered to eliminate the buffeting while driving with the windows down
• Includes driver-side and passenger-side tabs
• Includes self-adhesive 3M backing
• Subtle design with a black anodized finish

Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FSPOR718GT4ABK
99153755103
991537552031E0
991537551031E0
99153755203

The product you are viewing cross references to these numbers
9912403
Product Information
Product Information
Door aero triangle.

Fits:
Porsche 718 Boxster - 2017 Onwards
Porsche 718 Cayman - 2017 Onwards
Porsche 991.1 - 2012 to 2016
Porsche 991.1 turbo - 2012 to 2016
Porsche 991.1 GT3 - 2012 to 2016

Porsche 991.2 - 2016 to 2019
Porsche 991.2 turbo - 2016 to 2019
Porsche 991.2 GT3 - 2016 to 2019

Dissidents carbon fibre door aero triangles for 991.1 / 991.2 Carrera, Turbo and GT3 models directly replace the OEM plastic original.

They offer a tasteful styling enhancement and dramatically reduce cabin booming noises when driving with the window open.

The triangles are available in a range of finishes including gloss lacquered carbon, bare carbon, primed finish and gloss black.

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

This product is currently not TÜV approved.

FSCARBONABK
Product Information
Product Information
Fabspeed Carbon fibre anti-wind buffeting kit.

Fits:
Porsche 991, 991.2, 992, 718 & 981 vehicles (Carrera, GT3, Turbo, Boxster, Cayman, 718)

Engineered for late model Porsches, these window wings prevent wind buffeting caused by driving at speed with the windows down.

Have you ever experienced the woob woob woob sound of air pulsing in and out of the cabin when driving with the windows down on the highway? These will dramatically reduce that annoying noise by disrupting the laminar flow of air before it enters the cabin.

FEATURES:

Fits all Porsche 991, 991.2, 992, 718 & 981 vehicles (Carrera, GT3, Turbo, Boxster, Cayman, 718)
• Constructed from autoclaved 3K Twill carbon fiber
Gloss finish
• Will dramatically reduce wind buffeting in cabin
• Sold as a pair
• Includes pre-applied self adhesive tape
• Simple DIY (Do It Yourself) installation with 3M double-sided tape
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty




Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FSCARBONABK
992837308A
992837307A
992837308AOK1
992837307AOK1
992837308B
992837307B
992837308BOG3
992837307BOG3

The product you are viewing cross references to these numbers
E303
Product Information
Product Information
Rennline carbon fibre anti buffeting wind deflector kit.

rennline

Fits:
Porsche 991.1 / 991.2
Porsche 992
Porsche 981 Boxster / 981 Cayman
Porsche 718 Boxster / 718 Cayman

Product Description

Eliminate the wind buffeting that is a common issue plaguing modern Porsches with our new air deflectors. 

We all have been the victim of the brain rattling noise that occurs when your window is down during driving speeds. This phenomenon is the product of air entering and exiting through the same window and results in that low frequency rumble we all know. 

Our anti wind buffeting deflectors redirect the air away from the open window that would otherwise cause this terrible noise. 

  • Carbon Fiber construction
  • Fits all 991/992/981/718 
  • Industrial grade 3M adhesive
  • Installs in minutes over the factory trim piece
  • Durable black powder coat finish
  • Alcohol pad for surface preparation included

E302
Product Information
Product Information
Rennline anti buffeting wind deflector kit.

rennline

Fits:

Porsche 991.1 / 991.2
Porsche 992
Porsche 981 Boxster / 981 Cayman
Porsche 718 Boxster / 718 Cayman

Eliminate the wind buffeting that is a common issue of the modern Porsche chassis with our new air deflectors.

We all have been the victim of the brain rattling noise that occurs when your window is down during driving speeds. This phenomenon is the product of air entering and exiting through the same window and results in that low frequency rumble we all know.
Our anti wind buffeting deflectors redirect the air away from the open window that would otherwise cause this terrible noise.

• All aluminum construction
• Industrial grade 3M adhesive
• Installs in minutes over the factory trim piece
• Durable black powdercoat finish
• Alcohol pad for surface preparation included
DISPLAYING 1 to 6 (of 6 products)
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About Wind Deflectors

Porsche Wind Deflectors | Enhanced Comfort and Aerodynamic Efficiency

Wind deflectors are subtle yet essential exterior accessories that significantly improve aerodynamic comfort, cabin airflow, and driving refinement. Whether installed on your Porsche’s side windows or convertible roof system, they reduce wind noise, turbulence, and interior buffeting — particularly at motorway speeds or when driving with the windows down.

At Design911, we supply a premium range of wind deflectors designed for precision fitment and long-term durability. Constructed from high-grade acrylic, polycarbonate, or lightweight composite materials, these deflectors are contoured to your vehicle’s design for a seamless, integrated look. They enhance both functionality and style, offering improved driving comfort without compromising the clean lines of your Porsche.

Perfect for both coupe and cabriolet models, our wind deflectors combine aerodynamic precision with manufacturer-quality craftsmanship, ensuring an easy installation and a perfect finish that complements your car’s performance-driven aesthetics.

What Do Wind Deflectors Do?

Wind deflectors are engineered to optimise airflow and improve comfort during open-window or open-top driving.

Core Functions:

  • Redirect airflow away from the cabin to reduce wind buffeting and turbulence.
  • Minimise noise for a quieter, more comfortable ride.
  • Prevent rain ingress when windows are slightly open.
  • Enhance aerodynamics without compromising performance.
  • Maintain clean lines and visual harmony with your Porsche’s design.

A properly fitted wind deflector allows drivers to enjoy fresh air and open-road freedom while keeping cabin turbulence and drag to a minimum.

Why Do Wind Deflectors Fail or Degrade?

Over time, even durable exterior components can deteriorate due to exposure to the elements and mechanical stress.

Common Causes of Failure Include:

  • UV exposure causing discoloration or brittleness.
  • Cracks or chips from road debris or improper handling.
  • Loose fittings from aged clips or mounting points.
  • Surface wear from repeated washing or weather exposure.
  • Deformation from heat or pressure over time.

When a wind deflector becomes worn, cloudy, or cracked, it not only affects appearance but can also disrupt aerodynamic efficiency and cabin comfort — making replacement the most effective solution.

Why Replace or Upgrade Your Porsche Wind Deflectors?

Replacing your wind deflectors restores aerodynamic smoothness and driving comfort, while upgrading to newer designs can add both style and functionality.

Key Benefits:

  • Improves cabin comfort by reducing turbulence and noise.
  • Enhances aerodynamic balance at higher speeds.
  • Prevents water ingress during rainy conditions.
  • Restores visual clarity and design integrity.
  • Simple, tool-free installation for quick upgrades.
  • Available in tinted, smoked, or clear finishes.

Whether for daily driving, open-top cruising, or performance touring, these wind deflectors deliver an immediate improvement in comfort and aerodynamics.

Highlights:

  • Precision-fit Porsche wind deflectors for coupe and cabriolet models.
  • Reduces wind noise, turbulence, and drag.
  • Made from impact-resistant, UV-stabilised materials.
  • Quick and secure installation with no modifications needed.
  • Enhances both style and comfort.
  • Perfect upgrade for long drives and convertible cruising.

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