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The best OE fuel filter was the Baldwin variant, however; I haven't ran an OE filter in so long that I really don't know if any of the others have caught up or exceeded the Baldwin specifications.
The best drop-in filter is the Baldwin PF7977 . It filters down to 5 microns. As stated above though, 2 microns is preferred to keep your CP3 and injectors happy and for that, you'll have to go with an aftermarket filtration system.