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Thread: Best Tuning For 21 Cummins?

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    Sowega6.7's Avatar

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    Best Tuning For 21 Cummins?

    I know a bunch of guys run DRD on here but wondering if anyone has experience with other tuners.

    I was just trying to do as much research as possible.

    Thanks for any info.


  2. Thanks IGOTACUMMINS thanked for this post
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    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: Best Tuning For 21 Cummins?

    Honestly, don't waste your time looking.

    DRD customer support is on point, superfast, efficient, and has a fantastic track record with thousands of people.

    God bless,
    igotacummins

    "The grass is greener where you water it"


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    CrazyTrain's Avatar

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    Re: Best Tuning For 21 Cummins?

    You can look and research all you want, but in the end, you WILL end up with DRD.

    2021 Ram 3500 DRW, H.O., bypass oil filtration, bypass coolant filtration, S&B CAI, 4:10’s
    2wd low loc kit.
    Reacquired 2001 3500, 5.9 nv4500, dually cab and chassis, 5” straight pipe, edge juice w/attitude. Otherwise all stock…..for now.

  6. Top Of Page | #4
    MOD watersupply189's Avatar

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    Re: Best Tuning For 21 Cummins?

    DRD is the BEST, and you will definitely regret going with someone else for tuning.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

  7. Thanks AK Bob, IGOTACUMMINS, 16flatbed, Corkey thanked for this post
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