Removing your Cummins ISX device's emissions controls commonly called an "ISX delete" is a increasingly common modification for heavy-duty trucks, however it’s essential to understand all implications. https://docs.google.com/document/d/1Pg3pTEB3SHVFcByXJ4pDvoy2jIMW-j7t1H-z5OZmBWQ/edit?usp=sharing