loose exhaust clamp

[jerryz]

The left hand 12mm bolt clamp on my S4 never gets tight i have widened the slots on the pipe so they should clamp up tighter and also taken a 3mm chunk out of the clamp but the exhaust is still loose ,so the can wobbles. any ideas.....shim gaskets ??

the clamps on my 2 other dukes get tight and so does the right hand one on the S4
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MONSTERMAN

[jerryz]

Just noticed  that LAZYLIGHTENING has posted similar thread with photos and is asking same question.........http://www.ducatimonsterforum.org/index.php?topic=44878.msg809276#msg809276

[lazylightnin717]

Same problem I'm having on same bike. I'm going to try aluminum shims. I'm replacing the bolts with shiny new ones too. If the shims don't work, I'm gonna give copper silicone sealant a whirl.

Are you running aftermarket cans?

[jerryz]

Yes Carbon Fibre termis .