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  1. K&N 57s-4000 kit

    MK3 Body Parts/Interior/Electronics & Acc '12-Pres
    [:)][:)][:)][:)][:)][:)]SOLD[:)][:)][:)][:)][:)][:)] Sold my focus. I figure someone here will want this. It was on my car for about a year. The filter still looks new. This is the kit with the open-end filter and the raised lid. This kit creates a decent SOTP improvement as well as an...