I heard the Hyundai filters are garbage . Built like a tank but basically catches big rocks only.
According to Hyundai, their filter is at 99%+ doing the industry standard testing that all filter manufacturers use. Hardly garbage. Not bad on price at 7 bucks at my local dealer.
As posted in a different post, the TSB regarding engine noise due to aftermarket is not a gimmick, but does not disclose the offending filters. I'm convinced that those offending filters are private label junk $1.99 filters that miss the rocks. Use Hyundai's filter, or use a quality name brand like Mobil, Purolater, Wix, Napa Gold, Fram TG or Ultra, and others, and you won't have any issues. Leave the cheap $2 filters alone.