I am OTS 93oct Stage 1 + SF intake.
Honestly, when my car was stock it felt pretty darn fast up to about 60 or so...then it was depressing.
Since the tune and intake, the low end feels MAYBE slightly better, but the top end was way more of an increase than I was expecting. I don't know if Subarus are any different, but every other car I've owned and modded saw top end gains from an intake, at the expense of low end torque. Not to mention the fact that the Cobb OTS map for Stage 1 with stock intake has a target boost of 16.5psi, but a Cobb OTS Stage 1 + SF intake map has a 17.5psi target (all of these are 93 octane maps, BTW). In my logs, I'm seeing consistent 17.8-18.3psi at WOT in 3rd gear. Not sure if that makes any difference to you, but my car is definitely not stock. haha