This is the RCF version of the new Borla S-Type axle back exhaust. It fits the GSF with a few minor tweaks needed.

This video goes over the sound and unboxing/installation process.

Timestamps:
00:00 Borla cold start
00:45 Stock exhaust cold start
01:27 Borla warm start and revs
02:19 Borla idle walkaround
02:45 Borla acceleration windows open
03:03 Borla regular driving windows open
04:41 Borla regular driving windows closed
05:45 Borla freeway cruising windows closed
07:56 Unboxing and installation