2015 Ram 2500 6.4l hemi

[cpc0357]

I recently put bigger tires on my ram. Nothing crazy just 35s on a 20 inch wheel. I have the 6.4 hemi I’m possibly looking for a tuner for better fuel economy. I do haul trailers but not everyday. Any info would be greatly appreciated. Thank you


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[Cowboy Brick]

Diablo tuners I hear are great, or take it to get it custom tuned by someone.

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Nod for 8 when they open the gate.
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