This article will mainly interest RAM 6.6 owners but it does mention the CP4 bypass for Ford 6.7 owners at the end. It is about swapping the CP4 for a CP3 as a precautionary measure
One thing I have noticed is in my 2013 Chevy the DIC calls for a new fuel filter about every 7000 to 8000 miles and my 2009 usually will go 14000 to 16000 miles before it says change fuel filter.