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chevy malibu 2008

  1. Magnaflow Cat Allegedly "bad" after 7 months (2008 2.4L)

    Gen 7 Modifications
    Threw a P0420 just 7 months after install by local ASE shop (long established). Local Chevy Dealer read the code, and performed all the data gathering required by HottExhaust. Relayed info to them - solid crickets for 6 weeks and counting... Just had AAA run a battery check and it's good, as...