Another exhaust tweak

What gauge metal was that??? :shocking:

To be honest Gene, I have no idea. Due to the size of the box I used the lightest sheet stuff I had to keep the weight down. During normal operation the interior pressure is less than a half psi, but that backfire was probably significantly more than that. :wink:

:lol: Figgers.....:ripoff: gotta be able to back up what gas you packing....:devil:
 
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