Removing your Cummins ISX device's emissions hardware commonly called an "ISX delete" is the increasingly popular modification for heavy-duty trucks, however it’s very important to understand any https://docs.google.com/document/d/1XrdQ0fVaJXOPEYuNU7nZ2RHcYCsUlGcWJoNSvsBs5Jw/edit?usp=sharing