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k04-0023

  1. MKIV GTI
    So I plan on ugrading my turbo to a K04-023. Right now I am running APR stage 2 and meth on a 100 octane race map on an '03 mkiv. I was wondering if I would need to upgrade my clutch or if I should just wait and see if it slips badly or at all. If anyone has experience on this matter or...
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