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Great thread - lots of good info. I’d like to address the DOC placement (I have a hollowed DPF and turned off EGR, SCR). Anyone now have experience with a DOC? Effectiveness? My sole complaint is the short term smell when cold - once the system is heated up the exhaust smells the same as before the delete and tune. DOC seems an ideal solution to smell and perhaps some environmental benefits but they also need to be hot to do their jobs I expect. Appreciate any follow up thoughts.
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