Regearing duramax

[Rbcconst]

My 2013 Dmax gained a solid 3-5 MPG per tank (depending on my cruise speed) when my DEF / DPF had that tragic accident and fell off

Mine almost fell off but when i posted the idea on here quite a few let me know the legal consequences in ca and it ruined the idea for me. Id love to do it.


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[Bowtiepower00]

If it’s a big issue, and you can’t or won’t delete, drop to some 305 or 325/65’s (33’s) and get your mileage back. I run 35’s on my Cummins with 3.42’s and noticed a small decrease in town and none while towing.