If you get a K&N Air filter the lifing instruction should come on the box,
but i should think it would be something like 12000 miles/12 Months to wash
and re-oil it. Which reminds me mine is due.
It depends on the enviorement, but the instructions say:
a.. High Air Flow with Excellent Filtration
a.. Designed to Increase Horsepower and Acceleration
a.. Washable and Reusable
a.. Will NOT Void Vehicle Warranty
a.. Lasts up to 50,000 miles before cleaning is required depending on
a.. 10 Year / Million Mile Limited Warranty
they still work even when they look dirty, the one for your car is the
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