Removing this Cummins ISX system's emissions equipment commonly called an "ISX delete" is a increasingly popular modification for heavy-duty trucks, however it’s very important to understand all https://docs.google.com/spreadsheets/d/1yfEZVMfkL2ffp7CIZ_KYNHo46xp77OAdY9Dof4BszXY/edit?usp=sharing