Exhaust 2:
I found a pre-bent water hose at autozone that had the exact bends I needed to get from the heat exchanger to the exhaust.
We had a guy that does coatings on turbines put a coating on the exhaust up pipe so we would not have to water jacket it. I'm not sure what material is under the Inconel wrap but its thin and he says you will be able to touch it while it running and not get burned. If it actually works that good it is probably really bad for you and I will die of cancer next year from it, but I will not have any burns on me.

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Exhaust 3:
The tail pipe is technically floating between the turbo up pipe and the tip on the transom, that way the silicone adapters will let the motor move on its rubber mounts and not break the exhaust off.

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Please PM me the coating company contact info so I may investigate for use here.

Promise to do my best to get a new guy to place his hand on a set of cherry red headers on the dyno engine turning 9000rpm +. If I'm really convincing he might let me video it.

Swaintech ceramic coating?

I used ceramic coating on my AC Cobra headers and side pipes, huge, huge reduction in radiated heat. No more burnt legs trying to ingress/egress, I would not dare grab the headers while running, but a definite reduction in heat transfer!

Currently we use coatings applied by Heaney but your not touching them while running, it adds weight and is quite expensive thus my interest in a competing product.

9000 rpm for most of what 4-500 miles- always boggles my mind those don't all blow'd up.

Don't want to hijack but its more like 7200-9100rpm if you figure in the corners. We could turn closer to 10k but some of our competitors couldn't w/ any type of reliability (especially Toyota) so NASCAR implemented a gear rule that keeps the engines at 9100-9200 max under race conditions. Toyotas have more low end power and the Chevys prefer RPM so this is a large contributing factor to their success this season. Have to start a NEW thread if you want to continue down this path, wind me up like a top and wreck my weekend.

Hay Tyson looking good that's what I did for my hoses went in my auto parts and just started ruminging through them works good hay let me know when we're testing

The coating to my understanding goes on more like a cast where it's wet material you form on the part then it dries. It may be 1/8" to 1/4" thick. Then you put a shield outside of it so it does not wear, or break off.
Here are a couple text I received from them when they were coating it. These big words there using sound expensive.

Hi, hope everything is good! Received inco yesterday and tonight forming. Ceramic layer then titanium layer then inco. Shouldn't have heat issue. Talk soon,

Ceramic is cut in and shaped, titanium wrap is on. Inconel shielding I started to shape and cut in last week, probably spend a better part of this week shaping and tacking in place to seal it.