Oleo Mac GS650. Cat converter?

[altair]

Bought an Oleo Mac GS650, nice saw, little heavy, but excellent price.
Does anyone know if these have a catalytic converter in the muffler?

Cheers

 

[s sidewall]

Pull muffler in look into exhaust port of it, should be just a baffle in it.

Steve

 

[schmauster]