Removing the Cummins ISX device's emissions controls commonly called an "ISX delete" is a increasingly common modification for commercial trucks, although it’s essential to understand the implications. https://ourbigdirectory.com/listings13735637/cummins-isx-engine-guide-the-essential-guide-to-cummins-isx-engine-systems-components-and-emissions-regulations-for-diesel-engine-owners