Diffusers

Our diffusers collection brings together aerodynamic upgrades designed to improve high-speed stability and handling. These components manage airflow under the vehicle, reducing lift and increasing downforce for better traction.

Whether you are building a track car or enhancing a street machine, a well-designed diffuser can make a noticeable difference. Key considerations when choosing:

  • Material: Carbon fiber for strength and light weight, ABS plastic for durability, or aluminum.
  • Fitment: Many diffusers are vehicle-specific, while universal options may require modification.
  • Installation: May involve drilling or use of existing mounting points.

Browse our selection to find the diffuser that matches your performance goals and fitment needs.

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Cusco silver metal rear diffuser mounting brackets for 2002-2007 Subaru Impreza WRX and STi.
$52.20 $58.00
-10%
In stock
Akrapovic high gloss carbon fiber rear diffuser for 2016-2019 Porsche 911 Turbo and Turbo S (991.2).

$3,940.27

Low in stock
Akrapovic high-gloss carbon fiber rear diffuser with parking sensor mounts for 2020 BMW X5 M and X6 M.

$1,830.45

In stock
Akrapovic high-gloss carbon fiber rear diffuser for 2025-2026 BMW M5 G90

$3,934.48

In stock

Can’t Find the Part You Need?

Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.

Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.

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