1. Auto Performance - Body Kits Items
  2. sku: 9234875775998603
  3. AERO FUNCTION 108940

AERO FUNCTION 108940 Rear Carbon Fiber Diffuser AF-2

fits model: 911. make: Porsche. year: 2009–2011.

108940 Aero Function For Porsche 911 09-11 Af-2 Style Carbon Fiber Rear Diffuser

( Brand: Aero Function ), ( Manufacturer Part Number: 108940 ), ( Product Type: Body Kits ), ( California Prop 65 Warning: This Product Can Expose You To Chemicals Including Styrene, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm. ), ( Fitment Type: Vehicle Specific ), ( Fitnote: Mfrbodycodename ), ( Product Subtype: Diffusers ), ( Material: Carbon Fiber ), ( Type: Rear Diffusers )

Review AERO FUNCTION Porsche Af-2 Carbon Fiber Rear Diffuser fits 911 2009–2011

Introducing the Aero Function 108940 Carbon Fiber Rear Diffuser for Porsche 911 (09-11), a sophisticated and functional upgrade for your prized sports car. This rear diffuser is meticulously crafted from high-quality carbon fiber, providing an unmatched combination of strength, durability, and lightweight design.

The Aero Function 108940 is more than just an aesthetic enhancement; it is a performance-oriented component designed to improve the aerodynamics of your Porsche 911. The diffuser's intricate design helps to smooth air flow from the rear of the vehicle, reducing drag and enhancing downforce. This results in improved stability at high speeds and better overall handling.

Installed at the rear of your vehicle, this carbon fiber diffuser seamlessly integrates with the OEM bumper, ensuring a perfect fit and finish. The sleek, aggressive appearance of the carbon fiber material not only complements the design language of the Porsche 911 but also sets your car apart from the crowd.

The Aero Function 108940 Carbon Fiber Rear Diffuser for Porsche 911 (09-11) is an investment in both the performance and appearance of your vehicle. This upgrade is not only for those seeking a more powerful driving experience but also for enthusiasts who appreciate the art and craftsmanship that goes into enhancing their prized possession.

Installation of the diffuser is a straightforward process, requiring no modifications to your vehicle. It comes with comprehensive installation instructions, ensuring a hassle-free experience. The Aero Function 108940 Carbon Fiber Rear Diffuser for Porsche 911 (09-11) is designed and manufactured to the highest standards, ensuring a perfect fit and finish, as well as long-lasting durability.

Upgrade your Porsche 911 (09-11) with the Aero Function 108940 Carbon Fiber Rear Diffuser the ultimate combination of style, performance, and functionality. Get ready to take your driving experience to the next level.

Buying a Porsche 911 (997) Aero Design 108940 AF-2 Carbon Fiber Rear Diffuser comes with several advantages and disadvantages. Here's an analysis of each:

Advantages:

1. Aesthetic Appeal: The carbon fiber rear diffuser enhances the overall look of the Porsche 911, making it more visually appealing and distinctive.

2. Increased Downforce: By adding a rear diffuser, the car's downforce is increased, which leads to better road grip and improved handling, especially during high-speed driving.

3. Lightweight: Carbon fiber is a lightweight material, which helps in reducing the overall weight of the car, leading to improved acceleration and fuel efficiency.

4. Durability: Carbon fiber is a very strong and durable material, making the rear diffuser less prone to damage compared to other materials.

Disadvantages:

1. Cost: The carbon fiber rear diffuser is an expensive upgrade, which might not be feasible for everyone.

2. Installation: Installing the rear diffuser requires professional expertise and specialized tools, which could add to the overall cost.

3. Maintenance: Carbon fiber components require special care and maintenance, such as regular cleaning and protection from the elements, to ensure their longevity.

Conclusion:

The Porsche 911 (997) Aero Design 108940 AF-2 Carbon Fiber Rear Diffuser is an expensive yet worthwhile upgrade for those who want to improve the car's performance, handling, and aesthetics. The increased downforce, lightweight material, and durability make it a worthwhile investment, despite the high cost and installation requirements.

Recommendation:

If you are a Porsche 911 owner who is looking for a significant performance upgrade and is willing to invest in the high cost and installation requirements, then the Aero Design 108940 AF-2 Carbon Fiber Rear Diffuser is an excellent choice. However, if you are on a budget or are not particularly concerned with the performance enhancements, then it may be best to consider other upgrades or modifications.

specifications performaproto:

  • for models: 911
  • for makes: Porsche
  • for years: 2009-2011
  • brand: Aero Function
  • manufacturer part number: 108940
  • product type: Body Kits
  • california prop 65 warning: This Product Can Expose You To Chemicals Including Styrene, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm.
  • fitment type: Vehicle Specific
  • fitnote: Mfrbodycodename
  • product subtype: Diffusers
  • material: Carbon Fiber
  • type: Rear Diffusers

offer performaproto:

  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: April 23, 2026

shipping performaproto:

  • transit: 33-49 Days
  • type: Fixed
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • cost: $116.00

general performaproto:

  • condition: New
  • Permance Racing Parts > Auto Permance Parts > Body Kits

seller performaproto:

  • rating: 99.0%
  • # reviews: 369970

returns performaproto:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

payments performaproto:

  • credit card: Mastercard
  • wallet: Paypal
  • other
for models: 911, for makes: porsche, for years: 2009-2011, product type: body kits, california prop 65 warning: this product can expose you to chemicals including styrene, which is known to the state of california to cause cancer or birth defects or other reproductive harm., fitment type: vehicle specific, fitnote: mfrbodycodename, product subtype: diffusers, type: rear diffusers,
category: auto parts > racing parts > body kits, material: carbon fiber, sku: 9234875775998603,

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