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Here are a couple pictures of my CAT 0749 filter after 12,500 miles of PRE-OEM service. As you can see the filter is not highly discolored and should have been able to run to at least 15,000 miles or more. Note the third picture reflects the filtermag debris inside the canister. the FilterMag was only installed for the last 1,500 miles and you can see visible debris. Click on an image for a larger version.
http://www.wackywack.com/images/2/Cat_filter12.5k2.jpgEdited by: Diesel Power
