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  1. So many options for Headers but in 2020 you would suggest? 2008 QX56 175,000 Miles

    Performance Mods
    Thanks for reviewing and I appreicate your input in advance. At over 175,000 miles I just got my first cracked manifold a month ago. I have done a lot of readiing on headers in this forum and there is a lot of good information. My 2008 QX56 isn't a daily any longer but its value to me is...