Groovy, What do you mean when you said some trucks are so bad that not even FICM tuning worked, Mpg? performance?
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2004 F-350 CC LB King Ranch. SCT w/Innovative Diesel extreme Street tunes, tuned FICM by ID, custom 4" intake with large AFE filter, intake elbow, 3" downpipe 5" straight pipe 6" stack, EGR block off, Zoodad Mod, CCV Mod, the big 3 cable upgrade w/ batts under cab, Autometer guages, boost-trans-EGT, 2.5in leveling kit
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