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Old 07-21-2006, 05:53 PM   #10
aceyx
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Brake dust is carcinogenic (even current, non-asbestos pads). There's a LOT of that stuff on the highway. Rubber particulate (from tires) is also on the road. That stuff doesn't just vaporize when your tires wear down, it actually goes somewhere.

Dust that passes through doesn't always just pass through. If you've ever had a fan, dust will accumulate on the blades and vents. The air that passes through the filter also passes over the heater core, which is hot.

I honestly could care less if you remove them, I'm just trying to give you an informed opinion.
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