What size pre-filter should I use for these filters? I got an intake on the way and want an outerwears style pre filters for this system for less maintanence and extra filtration.
No, all K&N intake systems are designed to work with factory ECU settings. If you encounter any issues, please contact our product specialists 800-858-3333 or tech@knfilters.com for assistance.
![Polaris Ranger RZR XP900 [#63-1129] Air Intake Installation](/img/logo.svg){kind=logo}
