Removing this Cummins ISX engine's emissions hardware commonly called an "ISX delete" is a increasingly common modification for heavy-duty trucks, but it’s very important to understand all implications. https://mpowerdirectory.com/listings1341983/cummins-isx-engine-delete-the-essential-guide-to-cummins-isx-kit-options-benefits-and-expert-insights-for-fleet-managers