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173 Posts
That would be the best solution to the problem, however, no one as of yet makes such a filter and if they did it would have to be approved by GM which takes time. Someone at the other page has machined an adapter from oem to Cat but doing that would most likely void factory warranty if the oem filter was eliminated. Heard a rumor yesterday that GM is coming out with some sort of retrofit fuel filter for duramax and is going to change filters to 2 micron in future production.
