MotorvateDIY: K&N Filter Dirt Test Results

Cyber370

Interesting results. I just have a few questions.
Do all foreign contaminants make it into the Oil?
Is silicon the only foreign contaminant that can cause damage?
Low amounts of iron and lead just indicate no premature engine wear. But does this necessarily mean that the air is as clean as with a paper filter?

I apologize if I'm missing something but for every positive K&N result I see on the web, there are 10 negative ones. I'm just saying.

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