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  1. #1
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    Diameter of oem xpipe - where primary cats bolt up to headers

    does anyone have the exact diameter?

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    I'm pretty sure the stock piping is 2.5"
    2006 AW/Black ZCP 6MT


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  3. #3
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    Click here to enlarge Originally Posted by folgrz Click here to enlarge
    I'm pretty sure the stock piping is 2.5"
    Thanks.

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