Removing your Cummins ISX system's emissions controls commonly called an "ISX delete" is a increasingly common modification for heavy-duty trucks, however it’s critical to understand all implications. https://docs.google.com/document/d/1XrdQ0fVaJXOPEYuNU7nZ2RHcYCsUlGcWJoNSvsBs5Jw/edit?usp=sharing