K&N filters
Anyone changed there factory air filter to K&N?If so was it worth the cost i.e. improved mileage?
Forum Discussion
time2roll wrote:mike-s wrote:My book says 30,000 miles. Got one at 180k and will again at 210k. Not sooner.
Air filters should be changed every 10-20K.
I rarely rely on the book....
I change it when it gets dirty
And that all depends on environment
As for that K&N........NO!
