I have drilled and tapped my block for a remote filter.
Had it all plumbed up on the run in stand (before I got the dyno) and used it.
When I went to fit it in the car it became problematic. There wasn’t a lot of room for the -10 hoses. I couldn’t find a good location to mount the filter that kept is low enough and at least mostly vertical so I just put the 90 degree adapter on it.
For me, the idea of it was outstanding. The practical aspect of installation was problematic.