Removing the Cummins ISX device's emissions controls commonly called an "ISX delete" is a kind of increasingly common modification for industrial trucks, however it’s very important to understand the https://docs.google.com/spreadsheets/d/1yfEZVMfkL2ffp7CIZ_KYNHo46xp77OAdY9Dof4BszXY/edit?usp=sharing