assuming you didn't use the IPR cleanable filter and u are running a spin on bypass
I would do the first on in say 500-1000 miles and then cut it open with tin snips and see how bad it is
that will determen the interval for the next one
1 month, 3 months, 6 months, then once a year after that. Cut each one open to determine the amount of crap in them and you can decide if you need to do it more often. Have you recently done a flush? If not you may have to change them sooner.
Mine was never dirty from the get go so i just do it every 3rd oil change
that keeps it on a mileage vs time basis
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