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Straight Pipe Question

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  • Straight Pipe Question

    I have a V6 83 Cutlass and cant find a welder or shop that will cut out my cat and put a straight pipe but weld flanges so I can swap them out at will. Does anybody know my pipe size so that I can custom fab it myself?

  • #2
    I don't see the point with a V6, you're not going to see any performance gains.
    Heck my 455 runs through a single CAT.
    if the CAT is clogged you should replace it.
    Besides, its illegal in most states for a shop to tamper with a CAT.
    And some its illegal to remove yourself.
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