Thinking About an L5P DPF Delete? Read This First

If you're considering an l5p dpf delete, you're likely tired of the constant regen cycles and the looming threat of limp mode on your 2017-2023 Duramax. It's no secret that the L5P platform is one of the most powerful engines GM has ever put in a heavy-duty truck, but all that power feels a bit choked out by the massive emissions systems hanging off the frame. Between the Diesel Particulate Filter (DPF) and the Diesel Exhaust Fluid (DEF) system, there's a lot that can go wrong, and when it does, it's usually expensive. ...

February 27, 2026 · 7 min · Jolinda Facundo