Removing the Cummins ISX engine's emissions controls commonly called an "ISX delete" is a increasingly common modification for industrial trucks, however it’s essential to understand all implications. https://gen-directory.com/listings13742381/cummins-isx-diesel-engine-guide-a-detailed-explanation-to-cummins-isx-engine-systems-potential-drawbacks-and-emissions-regulations-for-diesel-engine-owners