Anatomy of a Hayabusa exhaust system

[Camel]

Platinum? apparently, I would like to confirm but its outside the scope of my objective, maybe someone could provide some detail. I just know they burn at extremely high temperatures and the proximity of my wide-band sensor to the hot cats may have been screwing with my readings!

Anyway, Cap off..


Now for the inlet side. Three nuts and its off, note the size of the interior pipe as opposed to the outer pipe.


Peek-a-boo! Looks like the standard muffler works on the 'open chamber' theory, i.e. the space is sufficient to replicate open atmosphere.


Let's have a closer look at this pipe.


Cutting it open reveals...


TBC...