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The pinnacle durability solution for CP4 high-pressure fuel pump issues in the 2019-2020 Cummins-equipped RAM trucks just got better by becoming CARB compliant! The S&S Diesel Motorsport No Tune RAM CP3 Conversion Kit is now CARB EXEMPT (EO #D-756-5). It is a direct drop in that will not require any tuning and will not affect emissions in any way. Take confidence in knowing that your fuel system is safe from from a CP4 failure, and that you are safe from any legal consequences. Display the decal above anywhere under your hood, and you are good to go! These new and improved kits are shipping to dealers now.