As far as i know your suzuki dealer sell it.
I didn't find it in one of the big three shops, yet. But i'am remembering this tool was sold from user to user here, about one year ago.
Perhaps you find a user who had this tool and doesn't need it anymore. Or someone who know how to get this tool.
good luck and sorry for my bad english
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"mein auspuff muss immer zu 101% dicht sein, damit ich den reinen esd sound habe."
- Meiner ist auch komplett dicht... seitdem läuft meine GS aber nicht mehr. Woran kann das den liegen, liebes Forum