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They also claim that using the specified filters - Mobil1, K&N, NAPA Gold you get better oil flow.
Not sure I totally buy that one because the Boxster doesn't seem to suffer from oil starvation except at the pickup tube from the sump during high-G maneuvers, which is best solved by adding the X-51 sump extention w/ baffles. They also are offering a sump extention, but I haven't compared it with the X-51 for either features or cost advantages.
To me, the spin-on kit isn't all that advantageous. It may be more convenient to source your filters locally - Pep Boy's or NAPA, and these filters may be slightly cheaper... but you need to buy a lot of cheap filters to overcome the $134 cost of entry. Plus, if you've been DIYing your oil changes, you've already invested in the oil cannister wrench which will now be sidelined.
I see the main advantage being the ability to add adapters for either an Accusump or secondary Oil Cooler, but now you're talking a lot more than $134 and most people do not need these.
If the price drops somewhat significantly, I may change my mind, but for now I'll stick with the cannister filter and put the $$ somewhere else.
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