I agree its not exactly, but its close. You can defiantly tell its a Cummins though. Maybe sounds a little like a big rig too.
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07.5 6.7L Cummins 2500 SLT QC 4X4, Brilliant Black, Thunderroad, AIRAID stage 2, 4" H&S DPF delete w/downpipe, EGR delete, deleted factory muffler, 5" tip