(ebay)stock muffler baffles question

[red06]

Yamaha FZ6 600 Stock Muffler Exhaust Pipe: eBay Motors (item 110559345183 end time Sep-11-10 11:40:06 PDT)

can someone please tell me anything about those two baffles ? do they come with every fz6?

 

[OZXJR]

The stock exhaust does not include removable baffles,they look like Leo Vince items to me.