Removing this Cummins ISX engine's emissions equipment commonly called an "ISX delete" is a increasingly popular modification for industrial trucks, although it’s critical to understand all implications. https://docs.google.com/forms/d/e/1FAIpQLSdspTJGjB4yyIADRybb0YyNWTc_87geTql01KwiqZgtJ2pPpw/viewform?usp=publish-editor