With the 6.0 I would absolutely think about opening up the intake and exhaust as basic mods even with your current programmer setup. if you don't have a diesel emissions requirement where you live...
the better the engine can breathe the cooler your EGT's will be and the better off the whole truck will be
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Back after many years.
2003 F250 CC LB 4x4 7.3PSD
Minotaur user.
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