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  1. d16y7 aftermarket exhaust, o2 sensor question!!!

    Engine Building
    My exhaust has rusted through and fell to the ground for the 2nd time in a few months in 2 different spots, and upon research I found that many 96-00 exhaust manifolds crack:bs:, therefore I am buying an aftermarket header and exhaust system for my 2000 civic HX to fix my current and any future...