EPA fines U.S. diesel-truck tuning companies 10 million dollars
The two Michigan companies, which sell "defeat devices" for diesel pickups, were found in violation of the Clean Air Act
driving.ca
So I guess I'll never see a delete kit for my 3.0L Duramax even though we don't have such enforcement or even smog testing here but you never know if someone here might try to market one however just to tune the PCM, it's at least $700USD to unlock it (if I assume it's similar to '19+ gassers)