Removing this Cummins ISX engine's emissions equipment commonly called an "ISX delete" is the increasingly common modification for industrial trucks, but it’s critical to understand all implications. https://prxdirectory.com/listings13760209/cummins-isx-engine-delete-everything-you-need-to-know-to-cummins-isx-specifications-potential-drawbacks-and-installation-requirements-for-fleet-managers