The AEM Dryflow Air Filter AEM-28-20857 is a reusable synthetic panel filter engineered as a direct-fit replacement for the factory paper element in various Audi, Volkswagen, and Porsche applications. Built without oil, the red synthetic media offers strong airflow and dirt-holding capacity while remaining washable for repeated reuse.
Specifications:
- Filter Type: DryFlow Synthetic Panel Filter (no oil required)
- Dimensions: 15.188 in x 7.313 in
- Height: 1.625 in
- Color: Red
- Sold As: Each
- Common Fitment: Various Audi / Volkswagen / Porsche Applications
- Part Number: AEM-28-20857
FAQ
What are the dimensions of the AEM AEM-28-20857 air filter?
It measures 15.188 in x 7.313 in with a height of 1.625 in.
Does this AEM Dryflow filter require oil?
No. AEM Dryflow filters use a 100% synthetic, non-woven media that never needs filter oil.
What vehicles commonly use this filter?
It is used across various Audi, Volkswagen, and Porsche applications that share this filter's factory airbox opening.

