Banks Power Boost Tube Upgrade Kit 04.5-10 6.6L GM Duramax LLY|LBZ|LMM. Fits: 2004.5 - 2005 Chevy/GMC 6.6L LLY Duramax; 2006 - 2007 Chevy/GMC 6.6L LLY & LBZ Duramax; 2007.5 - 2010 Chevy/GMC 6.6L LMM Duramax.
