Considering a elimination of your Cummins ISX engine's pollution control system? A “delete,” commonly referring to the deletion of Diesel Particulate Filters (DPFs) and Selective Catalytic Reduction (SCR) https://succulent-lantana-fd5.notion.site/Improving-Heavy-Duty-Diesel-Engine-Performance-Through-Smarter-Diagnostics-and-Maintenance-40ec39dc621a80d69b67f313dae3b394