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Posting this for a friend... there sons 04 F6 EFI just made a loud noise and there was a hole in the expansion chamber? anyone know what would cause this.
Thanks in advance
 

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Pipes can blow out all the time on sleds. Usually its because of a defect in the assembly (poor welds, seems etc). Many times it can be age of the pipe too, along with rust. Just the exhaust pressure and natural vibration of the motor is enough to toast a weak pipe and it happens all the time. Ive broken 3 pipes on my ZR580...havent broken my f5 pipe yet :tongue_nana: knock on wood
 

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VERY common problem on the 03/04 Firecats. Tell him to tell his dealer to lean on Cat. He may get it covered.
 
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