I did a quick search, and only found a post from years ago. Did search too hard, didn't search too long...but thought I'd make a post, after Googling elsewhere and finding what looks to be a fair comparison of oil filters. Years ago, I had seen a similar comparison, and the conclusion was similar - that Purolator was one of the best (for the more readily available at least) filters.
That said, I did just notice yesterday at my local Advance Auto Parts store, that Purolator now as a "Boss" oil filter. Expensive! $12 ($11.99). Of course I'm interested to know if there's any truth to it being superior, and surely wouldn't mind spending the additional $4 over the PureOne, if there's any real difference. From their advertising shpeal, here: http://www.pureoil.com/en/do-it-yourself/oil-filters/purolatorboss/ both the Boss and PurolatorOne (which I assume to be the PureOne) both claim "99% of dirt removal" ("dirt" is an interesting term, how 'bout debris?), whereas their regular filter only claims 96.5%. So if the filtration itself isn't better, I'm not sure I'd fork out the additional cash.
Also, I just recently reinstalled the stock oil cooler, and also added the "biggie" oil filter adaptor. On one of the forums, I saw that the Purolator L20033 works (or PL... for the PureOne). I noted some of the other filters as well, including the Fram (won't even post that part number, as Fram is crap), but the guy at Advance cross referenced the p/n and came up with Purolator p/n 30001 as compatible. I bought that one, and it fits fine. And it is indeed a biggie (see attached photo)!
I took a photo of his screen, and here are all the compatible filters:
Purolator PL30001 (PureOne)
Purolator PBL30001 (Boss)
Purolator L30001 (Classic)
Mobil1 M1-301
Promotive PH1A
K&N HP3001
Since I just reinstalled the oil cooler, and the biggie filter at the same time, I noticed I need well over 5 quarts of oil...close to six. (with the PL30001 filter). So keep that in mind if/when you decide to upgrade to the biggie filter.
That said, I did just notice yesterday at my local Advance Auto Parts store, that Purolator now as a "Boss" oil filter. Expensive! $12 ($11.99). Of course I'm interested to know if there's any truth to it being superior, and surely wouldn't mind spending the additional $4 over the PureOne, if there's any real difference. From their advertising shpeal, here: http://www.pureoil.com/en/do-it-yourself/oil-filters/purolatorboss/ both the Boss and PurolatorOne (which I assume to be the PureOne) both claim "99% of dirt removal" ("dirt" is an interesting term, how 'bout debris?), whereas their regular filter only claims 96.5%. So if the filtration itself isn't better, I'm not sure I'd fork out the additional cash.
Also, I just recently reinstalled the stock oil cooler, and also added the "biggie" oil filter adaptor. On one of the forums, I saw that the Purolator L20033 works (or PL... for the PureOne). I noted some of the other filters as well, including the Fram (won't even post that part number, as Fram is crap), but the guy at Advance cross referenced the p/n and came up with Purolator p/n 30001 as compatible. I bought that one, and it fits fine. And it is indeed a biggie (see attached photo)!
I took a photo of his screen, and here are all the compatible filters:
Purolator PL30001 (PureOne)
Purolator PBL30001 (Boss)
Purolator L30001 (Classic)
Mobil1 M1-301
Promotive PH1A
K&N HP3001
Since I just reinstalled the oil cooler, and the biggie filter at the same time, I noticed I need well over 5 quarts of oil...close to six. (with the PL30001 filter). So keep that in mind if/when you decide to upgrade to the biggie filter.
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Sorry...couldn't resist. You know, I can't say...it came on the car when I bought it. Honestly, it looks like a roach clip...I wouldn't be too surprised if a head shop carries clips like that. Ah...just figured it out. It's an alligator clip. And they're dirt cheap on Ebay: 
