2001-2016 GM HD CP3K (FPE-DMAX-CP3K)The Fleece Performance Duramax CP3K is built to OEM or better standards for diesel truck owners who want a no compromise upgrade. Engineered, manufactured, and supported by Fleece the diesel performance specialists. Features Modified LBZ based CP3 that removes the factory 3,000 RPM flow restriction Maintains rail pressure across the full RPM range for consistent power Cost effective upgrade for stock and lightly modified Duramax builds Tested in house
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