So what are the top 3 air filters in quality which are readily available in most auto stores (Autozone, Advanced,Pepboys,etc.)to keep an eye out for specials on? My thoughts are PureOne, Wix (Napa Gold/Carquest Blue), & Bosch
Pureolator PureOne and the Bosch Preminum....are clones.....basically the same filter....and made by the same company in NC. IMO....they are the best mid-tier filters you can purchase. Many here on this forum....say they are the "best bang for the buck" They should easily do up to 7500 +/- OCI.
I would put both of them above the Wix.....
Note: If your attempting to do long OCI's....10,000 or more....the Bosch Distance Plus....would be a good choice...but will cost about double of the others.
Fram Tough-Guard lightly oiled air filter is very good.
^This as well.
Each app varies, sometimes Wix/Affinia make good filters repackaged(Napa, Carquest etc) for one. Another car may have a nice PureONE or oil Fram. All good yet still 'standard' type replacement filter. Better filtration anyway. If you want good filtration with decent flow, just buy the one the dealer would sell elsewhere if possible.
A big key in any working 'best' or not is the seam/seal/fit in the box it sits in.
Google "Spicer Air Filter Test" and you fill find a very good test done in '04 that is much more comprehensive than the one mentioned above. Unfortunately, it's very dated now. You will even find some discussion of it here on BITOG. The good thing is that the testing was done to SAE test standards. The bad thing is that it was a narrow range of filter applications.. actually a single one... Duramax trucks. Still, it's a good indicator of efficiency, dirt holding, etc. It was once on an "official" website but that is long shut down. Many sites glommed onto it, however, and you can find it permanently posted all over. Arlen Spicer spent a good amount of money on it... where are you now, Arlen?