2006 - 2007 GM 6.6L LBZ Duramax | Engine Tuning by PPEI

CARB EO Pending Gain 200+ HP over stock, tow your toys effortlessly, and rapidly increase acceleration. Tuning engineered for optimal efficiency and the best potential fuel economy! STOCK TRANS Level 1: + 30  HP Level 2: + 60  HP Level 3: +100 HP Level 4: +120 HP Level 5: +150 HP BUILT TRANS Level 1: + 30  HP Level 2: + 60  HP Level 3: +120 HP Level 4: +160 HP Level 5: +200 HP This tuning package can be installed using an EFILive AutoCal V2, FlashScan V2, or AutoCal V3.