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I own a 2012 F250 with the 6.7L. It has 175000 miles on the original CP4.2 with zero issues. Id like to proactively replace/upgrade the CP4.2 here in the next 10,000-15,000 miles to something that flows a little more fuel. I'm aware that the common upgrade is to use a 15-19 model CP4.2 as they...