Quote Originally Posted by Emperor Zurg View Post
Unless he's changed things up recently, all of his stems eliminate the filter. The 'filter style' stems simply fit the mortise of all filter model pipes (i.e. Country Gentleman) and the 'non-filter style' fit the mortise of all non-filter pipes (i.e. pony express). However, none of the pipes will accept a filter once you put the Forever stem in.
I toss the filter, if it has one, as soon as I get them, so that's fine with me.