Removing this Cummins ISX device's emissions equipment commonly called an "ISX delete" is a kind of increasingly widespread modification for industrial trucks, although it’s very important to understand the https://docs.google.com/forms/d/e/1FAIpQLSe7mVDYbW0hhxVkeEbHREjuxpEBueegcIAbYotOPcUf8lVeFw/viewform?usp=publish-editor