Thou shalt not delete.
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Common down here. It extends the truck's engine life, gives it better mpg and power. Fords in particular, improve with "bulletproofing".
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Bulletproof... https://bulletproofdiesel.com/
Delete guide, Ram Cummins: https://dieseliq.com/6-7-cummins-dpf-delete-guide/
After that, Google is your friend. I forget sometimes how ignorant y'all are about all things rural...