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    LMM: EGR/DPF confusion

    Own '07 LMM 6.6 L duramax. used for off-road/farm/ranch work. 80,000 miles. already replaced EGR once. truck idles for long periods of time. Want to disable EGR and/or DPF without altering any stock parts using a tuner/programmer? Is this the most cost effective thing to do? If so, what are the...
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