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Discussion Starter #1
So I need to replace the exhaust from the cats back. No problem, except for the bolts connecting to the catalytic converters.

Rusted quite nicely and I have no idea what sort of bolt is holding the pipes on.

It looks like a tapered nut with some grooves running top to bottom. I could just cut them off but I think I read sometime that OEM bolts were part of the converter. Can anyone confirm?

It's either that, some really weird bolt that needs a special tool or they've just completely rusted away.

thanks
 
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