AEM Dryflow pre-filter wraps are manufactured from a durable micro-screen material and pretreated with a proprietary hydrophobic process designed to prevent splashes of water or mud from saturating a Dryflow air filter underneath. The wrap also stops small dirt particles while adding very little intake restriction.
Specifications:
- Base Diameter: 6 in.
- Top Diameter: 5 1/4 in.
- Height: 5 in.
- Material: Micro-screen fabric, hydrophobic-treated
- Function: Water/mud splash and dirt pre-filtration for a Dryflow air filter
- Part Number: 1-4000
FAQ
What does the AEM 1-4000 pre-filter wrap do?
It fits over a Dryflow air filter to repel water and mud splashes and stop small dirt particles while adding very little air restriction.
What size filter does the 1-4000 wrap fit?
It fits a conical filter with a 6 in. base, 5 1/4 in. top, and 5 in. height.
Is the pre-filter wrap reusable?
Yes, it is a wash-and-reuse micro-screen wrap designed to protect the filter beneath it over the long term.

