Originally Posted by mclasser
I run the FU on my other cars and considered using it on my Hyundai, but ended up weaseling out due to warranty purposes. I know, Magnuson-Moss and all that, but the OEM Hyundai filter is cheap and works fine, and won't give Hyundai a reason to possibly deny an oil-related warranty claim (God forbid I ever need one).
I was like you but enough people recommended them I bought a 6 pack. Before using an Ultra I did my own research. The second part of Jay's PM to me lays it out regarding warranty.
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HK has just been found in violation of Magnussen Moss Warranty act for this very reason,dealers claiming you must use HK products or your warranty is void, that is simply illegal for them to do that unless they supply the parts for free
If enough people do not tolerate Hyundai doing the wrong thing means they will need to change practices or loose potential vehicle sales.