Catalytic Converter

Discussion in 'Chrysler 300 Performance Mods - Engine - 5.7L' started by beastwelder6969, Nov 19, 2017.

  1. beastwelder6969

    beastwelder6969 New Member

    Joined:
    Nov 16, 2017
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    Gender:
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    Vehicle:
    chrysler 300c
    Vehicle Yr:
    Gen1 - 2008
    Trim?:
    300C
    Color?:
    Custom
    On here asking what aftermarket cats do you have, and what were the gains in hp you saw along with mpg? im looking to get some high-flow flowmasters on mine after winter
     

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