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flanges

  1. 3.0T
    Hey guys I'm tryna make my own custom 3inch exhaust for my 3.0T my idea is to use 3in pipe an X-pipe, 2 flowmaster super 44 muffler, my only issue is what flanges should I get for the exhaust to fit the stock catalytic converter? What is the diameter of the catalytic converter what flanges...
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