Second cracked exhaust tube

Joined
Sep 12, 2010
Messages
13
Hello,
I have a 1979 tiara 2000 overnighter with a mercruiser 898. I just replaced the exhaust tube on the starboard side. Took it out three short times and the same tube is cracked again. I am guessing that side of the engine is getting too hot but where would I begin to find the problem?
Thanks for your help.
 
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