Installed an HKS Spec L II catback. I would have gone with the regular spec L (a few db louder) but the L II tips look much nicer and are swappable.
Pretty happy with it. Sounds way better than stock despite it still being on the quiet side. However, this makes me much less worried about installing headers and being too loud/obnoxious
In person, the exhaust tone is much deeper than how it sounds on most video clips
this one
Code:
https://www.youtube.com/watch?v=FGs76FwZMwk
is probably the most accurate representation).
Cold start is noticeably louder but nothing crazy. Once the rpms drop it's actually hilariously quiet