July 20th, 2016, 04:29 PM
Joined: Jun 2013
From: San Francisco CA. USA
I Ride: 7 Husabergs two FE570S,FS570 FE390/450,07 FE650,05 FE550,2 Husqvarna's 86 WR400,87 510,09 Buell
Never seen anything that looks like catalytic converter. So no there isn't one. But stock pipe is restrictive. Take all screws off end of muffler and with a rubber mallet nock off the end (lot of work) you'll see a step down pipe about 55mm long cut it off. Reinstall or buy aftermarket muffler.
Last edited by Rainerio; July 20th, 2016 at 04:40 PM.