DURAMAX Duramax EGR Delete Kit Duramax CCV Reroute 2004-2005 6.6L Duramax LLY EGR Delete Kit With High Flow Intake for GMC Chevrolet 2500 3500 HD 4500 5500 $169.99 2017-2021 6.6L Duramax L5P EGR Valve Cooler Delete Kit for Chevy GMC $169.99 2011-2016 6.6L Duramax LML EGR Valve Cool...