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  1. PZEV Differences?

    YF (2011-2014) Sonata/i45
    I'm curious what exactly is different in a PZEV engine versus a non-PZEV engine. I know they say it gets 8 hp less, and some people on this forum whined about that years ago, but FWIW is it really that big of a deal? Are we trying to drag race these cars or something? Who cares about such a...
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