2024 Duramax Tuner. Lm2 3.0l duramax delete tuner. I don’t think you will get a bump in mileage from any tuner or anything else you will do, besides dropping the mph a few.
Let’s delve into the features and benefits that make this combination a force to be reckoned with. The idash, however, still does not allow manual regens, but banks is working on that.