Considering a elimination of your Cummins ISX engine's pollution control system? A “delete,” generally referring to the bypassing of Diesel Particulate Filters (DPFs) and Selective Catalytic Reduction (SCR) https://shaded-trader-23b.notion.site/Diesel-Engine-Performance-Optimization-Technology-Maintenance-and-Reliable-Operation-40dde74f3d358088a993c183edab3104