Trying to get my 2003 6.0 in great shape for towing a 5th wheel which I bought last year. Ford wanted to replace my FICM and 4 injectors. I repaired the FICM myself by resoldering the large caps and all is good. Bought a SCT Livewire TS to monitor the trucks health and love the extra oomph in street mode. I did a MBRP turbo back 4" exhaust with pass thru muffler. Bilstein shocks and DC Power engineering 185 Amp alternator.