I was wondering about using stainless steel bellows. There are some from JC whitney, inexpensive- about ~$20-30 each, if I remember correctly, but I think that they are made from .020 304 stainless. Any input? I've got most of my exhaust bends and am  waiting for the flanges to be cut by a machine shop. The flanges will be four bolt, like Everett Hatches" configuration. Any input about the bellows?
Brian Trubee

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