2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Stock & Modified Stock Turbos

If you’re seeking ways to boost performance for your 6.6L Duramax, explore our selection of stock and modified stock turbos. Many of our featured turbos use low-inertia designs to deliver improved top-end horsepower and faster throttle response compared to larger, over-boosted models. With OE-spec compatibility, installation is simple, allowing you to upgrade your performance quickly and easily. Revamp your turbo system with our range of stock and modified stock turbos today! Check out our selection of Air Intakes for further enhanced performance! GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.