I think the PureOne is better than the stock filter. Throw some 10W30 Mobil 1 and you'll be set. As far as filter size goes, its not like we have a lot of oil to filter, at 3.9 quarts. So the small size shouldn't be an issue as long as its a quality filter.
PureOne MSP
L 14612
PureOne WRX
L 14460
PureOne MSP

PureOne WRX
