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  1. HELP! Need any info on PCM performance chip?

    Chrysler 300 Performance Mods - Engine - 5.7L
    i just added a Brute force CAI and love it! There is a PCM performance module that is sold by JET. The specs are below. Has anyone heard of this, as a friend said good things about it for just wanting stage 1 improvement??.... Features The Jet Performance Chips Power Control Module is...