Removing the Cummins ISX device's emissions equipment commonly called an "ISX delete" is the increasingly popular modification for heavy-duty trucks, but it’s essential to understand the implications. https://docs.google.com/forms/d/e/1FAIpQLSe7mVDYbW0hhxVkeEbHREjuxpEBueegcIAbYotOPcUf8lVeFw/viewform?usp=publish-editor