Considering a bypass of your Cummins Signature engine's exhaust system? A “delete,” typically referring to the removal of particulate matter traps and Selective Catalytic Reduction (SCR) equipment , can https://medium.com/@MatthewArnoldd/diesel-engine-performance-ecm-tuning-and-reliable-equipment-maintenance-9e5d06ef3076?sharedUserId=MatthewArnoldd