2004-2005 Duramax LLY Flo~Pro EGR Cooler Delete Kit (800001) 2001 - 2004 GM Fuel Systems With the aluminum construction

With the aluminum construction

2001-2007 Duramax LB7 5" Downpipe Back Exhaust w/ Muffler (531100)

2003-2012 Cummins Fan Drive Pulley (Black Finish)

Anodized aluminum 3/8 inch quick connect to -8AN male adapter fitting

The CAC SOTF Switch will allow you to switch your tunes on the fly and is a simple

2004-2005 Duramax LLY Flo~Pro EGR Cooler Delete Kit (800001) 2001 - 2004 GM Fuel Systems With the aluminum construction2004 2005 Duramax LLY Flo~Pro EGR & Cooler Delete Kit (800001) Eliminate the problematic EGR valve and cooler with this high quality, low cost delete kit for your 2004. 5 2005 GMC Chevy Duramax 6. 6L LLY diesel. Race tuning required. Please note that tuning is required to prevent a CEL from remaining on.