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going bad

  1. Cat going bad

    Intake & Exhaust
    Yesterday my SES light came on, so today I took my car to get the code read. I found out that my cat is going bad and Nissan said that they would be charging $600-$700 for a new one. So I said HELL NO! to that. I saw Magnaflow cats going for about $100, but I was just seeing if anyone here has...