Quote:
Originally Posted by manbridge 74
My favorite is certain Ford cars from around 2005 with lifetime air filters. Yep, can’t get one from any FLAPs..
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Actually, air filters have PLENTY of surface area and they breathe just fine when dirty. In fact, they filter out dirt better when dirty. Heavy equipment manufacturers look at air filters on diesel equipment that are clogged with inches of debris, and suggest it be left in service.