I just got off the phone with Wix trying to get some information. The person on the call was nice but overall, I'm severely disappointed in what information they were willing to share. They won't share anything that isn't on the website. Having said that, here are some things I learned about Wix in general:
- Wix buys OEM filters, tests them, then specifies their filter for that application that meets or exceeds every measurable feature of the OEM filter, including filtration efficiency. If that requires making a new filter design, they do that (Skyactiv filter 57002).
- They only get specs from an auto manufacturer if they are the OEM filter maker.
- They have made some OEM filters in the past.
- Wix does purchase filters, even under the Wix name. If there is a filter with a patent, they will purchase it from that manufacturer and put the Wix labeling on it. There is no way to tell which filters these are from looking at the packaging.
- They only provide beta ratios and/or nominal micron ratings for filters they manufacture but will not provide it for all filters they manufacture and would not tell my why.
- Napa Gold, Wix, Carquest Premium are all exact replicas of each other (we already knew this).
- The lower line of products (Napa Silver, Carquest Red, Oreilly's microguard, etc.) have no published data of filtration levels and they will not share such information. Filtration might be as good as Wix labeled products and might not be. No clue.
All I learned really was that you are guaranteed to at least get OEM performance from a Wix and nothing more. Their marketing dept. needs to get with engineering badly.
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