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on, i have no clue, off, im seeing 3-4 mpg over stock in mixed driving, i have yet to put a solid highway tank on it
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2008 Ford F-250 CC SB
Dark Pearl Blue(complete repaint under warranty)
6" Stage II Pro Comp Lift
17x9 Pro Comp 7189
37x12.5 BFG M/T KM2's
Spartan/4" duals/AFE
Try the SEARCH Button
Because It's Probably already been asked
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