Fleece Performance 01-13 GM Duramax 6.6L Duramax CP3K (LBZ/LMM Based)

Description

Designed to eliminate the factory fuel flow restriction that begins at 3000 RPM; Correlates to lost horsepower when you need it most; Cost effective upgrade; Fuel pressure regulator will need to be scaled appropriately when installed in a 2001-2005 (LB7 or LMM)