Give your 2001–2004 LB7 Duramax a serious performance boost without the cost of a full turbo replacement. This 63.5mm Supercore Turbo Upgrade is designed to drop into your factory LB7...
Give your 2001–2004 LB7 Duramax a serious performance boost without the cost of a full turbo replacement. This 63.5mm Supercore Turbo Upgrade is designed to drop into your factory LB7 exhaust/turbine housing, making it one of the most affordable and effective ways to wake up your truck.
Featuring a 63.5mm 6-blade billet compressor wheel paired with a 10-blade turbine wheel, this supercore delivers improved exhaust flow, quicker spool, cooler EGTs, and the aggressive whistle every Duramax owner loves. With proper fueling, it’s capable of supporting up to ~640 horsepower, making it perfect for daily driving, towing, and mild street performance builds.
✅ Direct drop-in fitment with factory LB7 exhaust housing ✅ 63.5mm billet compressor wheel for increased airflow & power ✅ 10-blade turbine wheel for better flow, reduced lag & signature sound ✅ Supports up to ~640 HP with the right supporting mods ✅ Lower EGTs & improved spool for reliability under load ✅ Enhanced turbo whistle for a louder, more aggressive sound
If you want the performance of a full turbo upgrade at a fraction of the cost, this LB7 Duramax 63.5mm Supercore is the budget-friendly solution. Keep your stock housing while unlocking the airflow, efficiency, and sound your truck deserves.
⚡ Affordable power, improved spool, and an unforgettable turbo whistle—this drop-in 63.5mm Supercore is the upgrade your LB7 Duramax needs.
