I'm curious if anyone knows what this exhaust is and where to get it? Or, maybe someone on here has one?

I just thought it sounded pretty nice and liked the look of the quad exhaust.

Here are the videos:

 

I can tell you what it is not. It's not Mugen, Tanabe, Amuse or 5Zigen. Those are the most common KB1 aftermarket brands, and all of them have single tips. The UA6/UA7 TL-S exhaust has quad tips, but I can't tell for sure if those are the same.

L's TL put just the tip(s) on his stock mufflers.

 

I've been looking for these also. If you listen close you can hear the straight pipe switch, then "stealth"