Quote:
Originally Posted by Bushum
That's exactly how it happened to me. The flanges stayed bolted together but slid off of the header. It was probably from the vibrations of the reciprocating saw. Is the donut seal between the two flanges? Did you replace them out of necessity or just because you wanted to?
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Cheap insurance to replace it every time you take off the x pipe. Especially if it fell off like yours.
I replaced mine the first time I swapped the x pipe but was too lazy to the second.