2001 - 2004 GM 6.6L LB7 Duramax | Engine Tuning by PPEI Ranger Crew XP That’s why GDP portals are

That’s why GDP portals are the strongest you can get

See Turbo Exhaust

the ID F750 offers numerous features designed to increase performance and function

or injectors

IFTA & Vehicle Inspection Report Functions

2001 - 2004 GM 6.6L LB7 Duramax | Engine Tuning by PPEI Ranger Crew XP That’s why GDP portals areCARB EO Pending Gain 120+ 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: +15 HP Level 2: +30 HP Level 3: +60 HP Level 4: +100 HP Level 5: +120 HP BUILT TRANS Level 1: +30 HP Level 2: +60 HP Level 3: +100 HP Level 4: +160 HP Level 5: +230 HP This tuning package can be installed using an EFILive AutoCal V2, FlashScan V2, or