2020 1500 Duramax 100 Mile MPG Tow Test
Looks like some pretty good performance from the new 3.0 Duramax. I do like that the engineers used post DPF exhaust for the EGR input which prevents the EGR cooler and the intake from building up so...
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Impressive results and great video. We wish we had been able to get that performance when we were towing. Thanks.
