2007.5-2010 Chevy/GMC Duramax LMM 6.6L Parts - EGR Upgrades | 2007.5-2010 Chevy/GMC Duramax LMM 6.6L - Bullet Proof Diesel  - Bullet Proof Diesel EGR Cooler w/ Temp Ports | 6700006 | 2007.5-2010 Chevy/GMC Duramax LMM