TRI-FLO Exhaust - Muffler Section
Here are some photos of the muffler section of the TRI-FLO exhaust.

The inlet/outlets are offset, so it is hard to look straight through.

Looks like a custom racing muffler to me! But who am I to tell, haven't seen many....

Like I said, with the offset it is hard to get a good angle, but you can see light directly throug if you get the right angle.