I finally got around to installing a boost gauge in the forester after having my hose start to slip off my tmic i decided i needed one. I got an autometer carbon fiber mechanical .
door shut
door open
close up of the gauge . i notched the bottom of the plastic where the ash tray would sit then mounted it in there .

door shut

door open

close up of the gauge . i notched the bottom of the plastic where the ash tray would sit then mounted it in there .