four twenty
New member
I accidentally found out that the ST165 oil filter (08922-02011) fits better than the ST185 oil filter for 2nd gen. engines with 3" downpipes. Previously, I found myself putting a notch (or dent) in the 185 filter to make it clear the downpipe. With the 165 filter, clearance is not an issue. Has anyone else noticed this? Also is there anything wrong with using a 1st gen. filter on a 2nd gen. motor? So far everything seems to be allright.