I have a Cummins 24v that actually sounds like a diesel and I don't eat McDonald's, so I guess I'm good to go! If you think that is loud, you should hear it warming up with the exhaust brake on. 
Better than listening to a Harley...
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 Desert185 🇺🇸 (Retired Chemtrail vendor)
-Ram 2500 QC, LB, 4x4, Cummins HO/exhaust brake, 6-speed stick.
-Andersen Ultimate 24K 5er Hitch.
-2014 Cougar 326SRX, Maxxis tires w/TPMS, wet bolts, two 6v batts.
-Four Wheel 8' Popup Camper.
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