Accufab
And edge programer when I first got it took me from 8.5 to 13 mpg
can't say it helped or not 4.10 gears = bad mpg but getting better.
JER-1
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2005 F-350 DULLY 4.10 REAR SUPER DUTY XLT LOADED 4X4
FACTORY TOW COMAND BRAKE SYSTEM ,FACTORY UPFITTER SWITCHES
EDGE EVOLOUTION 11 GAUGES BUILT IN ONE.
ACCUFAB INTAKE MANIFOLD ELBOW.
ZOODA MOD
KITTY RAN AWAY
TIRES 265/70/17 10PLY BF GOODRICH
SINISTER EGR DELETE ,OIL COOLER REBUILD ,DIESELSITES COOLANT FILTER
STC FITING IN HPOP REPACED NEW UPDATED ONE
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