That's exactly right, Scoutisimo.
The cabin noise in my Impreza definitely needs to be addressed. I had pondered stealing the BRZ's resonator and putting that in the clear midpipe on my SPT exhaust. I had also pondered just straight-out swapping my SPT for the BRZ setup... but I've heard it's pretty quiet. As usual, I'll share what I do on here.
Here's what she is so far.