How to keep your "deleted" truck looking stock for inspection day.

[TorqueJunky_AK]

The biggest fear for 6.7L owners is the annual inspection. Do you guys swap the DPF back on every year, or are there "stealthy" ways to pass?

 

[RoughRoad_Rig]

Keep your stock DPF shell. Gut it, put it back on, and run a straight pipe inside. Visually, it looks 100% factory.

 

[DarkMatter_Dev]

Depends on your local laws. If they just plug into the OBDII, you need a tune that hides the monitors, not just a physical delete.