C15 Cat. Converter

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Pound Puppy, May 16, 2014.

  1. Pound Puppy

    Pound Puppy Heavy Load Member

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    May 31, 2010
    Amherst, OH
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    I posted this in the Pete forum, not much reply. I have an 06 475 C15 NXS. I want to remove the Catalytic Converter. Is there anything I need too know before I do it? What have you experienced performance wise?
     
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  3. gunner76

    gunner76 Medium Load Member

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    Mar 11, 2010
    IA
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    I'm pretty sure the only thing you need to do is remove the old muffler/cat and replace it with a new free flow muffler. I don't know about performance changes, but anytime you free up exhaust flow it will help.
     
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