Fleece Performance 03-07 Dodge 5.9L Cummins CP3K

Fleece Performance 03-07 Dodge 5.9L Cummins CP3K

Marsoni

M251S

$724.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Fleece Performance 03-07 Dodge 5.9L Cummins CP3KThe Fleece Performance CP3K is a modified 5. 9L Cummins 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. This Part Fits: Year Make Model Submodel 2005 2007

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Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.

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Reviewed in the United States on April 2, 2026

Verified Purchase

James Jay

Boise, US

★★★★★ 5

It's a spark plug

What i needwd

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 27, 2026

Verified Purchase

Waukegan, US