DURAMAX CP3K (LBZ/LMM BASED) - FPE-DMAX-CP3K Truck Brand:CHEVROLET/GMC 2500 3" Bar and Plate Core

3" Bar and Plate Core Design: The use of the bar and plate core design allows for greater airflow and increased heat dissipation over the much smaller tube and fin design used by the OEM

Outflows factory intake by 32%

daily driving

When replacing the injectors in your LB7 Duramax we highly recommend replacing the injector fuel lines to avoid new injector contamination

DURAMAX CP3K (LBZ/LMM BASED) - FPE-DMAX-CP3K Truck Brand:CHEVROLET/GMC 2500 3" Bar and Plate CoreThe Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and rail pressure after 3000 RPM, which correlates to lost horsepower when you need it most. This cost effective upgrade will allow you to maintain desired fuel rail pressure through your entire RPM range. Note: The fuel pressure regulator will need to be