DIESELR EGR Upgrade Kit (2020-2025 Duramax 3.0L LM2)The EGR Upgrade Kit Duramax LM2 from DIESELR is engineered for GM truck owners who want improved airflow, cooler exhaust gas temperatures, and long term reliability from their 3. 0L Duramax. Built to fit 20202025 GMC Sierra 1500 and Chevrolet Silverado 1500 models, this kit removes the restrictive factory EGR system, eliminating common issues like carbon buildup, clogging, and coolant leaks. By replacing the EGR cooler and valve assembly, this kit