2017-2019 Duramax L5P Calibrated Power Stealth STR Turbocharger (DM1JK1070103000)2017 2019 Duramax L5P Calibrated Power Stealth STR Turbocharger (DM1JK1070103000) The L5P Stealth STR is the best replacement turbo for your stock 2017 2022 6. 6L L5P Duramax. While capable of providing enough airflow to support up to 650 RWHP, this stock appearing unit still lights quickly and is great for daily driving, towing, and putting Powerstrokes in their place. If you have been looking at other "64mm", "Stage 1", or stock turbo replacements