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6.0 gas mileage

2K views 4 replies 5 participants last post by  PullnanMS 
#1 ·
I recently bought a 2WD 2005 F350 dually. It is by far the nicest truck I have ever owned. However, I had a 2001 f250 4X4 that I traded in that got much better gas mileage. I was wondering what I can do to this truck to do better than 15mpg on the highway? It is basically stock, the only thing that has been done is a K&N filter. Someone please help!!!!
 
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