Great. Keep us posted on progress if you go for it.
Originally Posted by tmotten
That's right, but cat is only in the header end of the can. Logically I can't see any reason why opening up that end cap would not convert it into a proper exhaust with in-built cat. It'll possibly be very loud because it may not have a baffle. All depends on the internal ducting inside. I'm hoping the internals are very similar to the older pea shooter design.
F650.com Pea Shooter Baddle Mod FAQ Write-up
kovrob may have the answers.