2019-2020 6.7L Cummins CP4 to CP3 Conversion KitThis kit is designed to work with factory OE trucks without tuning and modifications. This will not work on your truck if you have any other tuning or power modifications installed. No Tuning Needed Our CP3 Conversion Kit is a direct replacement for the factory CP4 and will not cause check engine lights. No need to spend extra money on custom tuning or programmers, our kit works with the factory tuning. Emissions Compliant Our CP3 Conversion Kit has
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