Thanks for the kind words, ExWrench. I think I understand now why almost everyone outsources their exhaust work
Question: do you think those short bellows sections allow enough lateral movement for when the drivetrain torques over? Dunno how tight the hemi motor mounts are, but I just reconfigured my exhaust and had to allow room for the "wiggly 3.8 dance". (If you're running solid motor mounts, please disregard).
That's a good question. Guess it depends on how much flex there is, but I think they should work OK for the hemi and 3.8. Where the bellows don't do well is with a constant lateral stress, like when the exhaust is thermally expanding and trying to flex the bellows sideways. The bellows have two tubing sections on the inside that slide in and out past each other. The tubing maximizes flow by shielding the exhaust from the bellows convolutes. The problem is that they fit close together and won't tolerate too much transverse strain, or they will rub (and maybe make noise, haven't lived through this yet).
Here are some shots of a second set I'm putting near the transfer case. These are made by Yonaka and they look much better made than the muffler bellows (the bellows at the mufflers were made by the same shop that makes those Marman flanges I tried - those bellows look and fit like they were homemade - like, at my home
- but they have a bit more space between the inner tubing so I put them in back there).
Here's an idea of the wiggle they may allow hopefully without too much drama:
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