Thinking About an LM2 Duramax Delete Kit?

If you're thinking about picking up an lm2 duramax delete kit, it's usually because you're tired of seeing that "exhaust filter full" message popping up on your dash at the worst possible time. The 3.0L LM2 is a fantastic engine—don't get me wrong—but those emissions components can really suck the life out of what is otherwise a smooth, torquey little straight-six. Whether you're trying to squeeze out more miles per gallon or you just want to stop worrying about your truck going into limp mode in the middle of a road trip, deleting is a topic that comes up a lot in the diesel community. ...

February 28, 2026 · 6 min · Heller Robbin