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when do you subpose to change air filter last time was 49k now is 69k if you dont change it does it make load noise
 
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I think it is every 30K miles but it depends on your environment. Dusty roads obviously have the potential to clog up the filter sooner.

It won't make a loud noise if it is not changed in time but it will degrade your engine performance.
 

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Have you ever tired to clean those things, it's not easy. I did the procedure for the open element filter I have and I wouldn't call it "clean."
 
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