Sorting Out Your 2005 EGR Delete Duramax Build

If you're tired of seeing your fuel economy drop or that check engine light blinking on the dash, it might be time to look into a 2005 egr delete duramax setup. The 2005 LLY Duramax is widely known as a legendary workhorse, but it has a few factory "quirks" that tend to drive owners crazy after the odometer hits a certain point. Chief among those issues is the Exhaust Gas Recirculation (EGR) system. It was designed with good intentions for the environment, but for the longevity of your engine, it's often seen as a bit of a bottleneck. ...

February 8, 2026 · 6 min · Ashleigh Ohayon