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  #1  
Old 14th June 2019
IronSporty79 IronSporty79 is offline
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Default Internal Exhaust Rust Prevention

So I should have the whole stock 79 Sportster exhaust system soon. Because some of the pipes are really rare and I know one of them already has some internal rusting, I was looking to try to coat the inside with some kind of rust treatment or coating. But, because of the heat of the exhaust, I know a lot of things would just burn or melt off.

Anybody done that before and had success with any particular products?
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  #2  
Old 14th June 2019
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maybe porcelin, its used on exhaust headers.

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  #3  
Old 14th June 2019
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My dad back in the day said he use to take high heat paint & shoot it down his pipes till it was running out the other side. I'd say that was on the 60's.

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Old 14th June 2019
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Quote:
Originally Posted by Hopalong48 View Post
maybe porcelin, its used on exhaust headers.

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ceramic coating?

Quote:
Originally Posted by dodgetrucken View Post
My dad back in the day said he use to take high heat paint & shoot it down his pipes till it was running out the other side. I'd say that was on the 60's.

Sent from my SM-N960U using Tapatalk
I do something similar,it's to keep them from blueing.
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Old 14th June 2019
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Maybe coat the inside with 2-stroke oil. Just a thought as I've never seen a rusted exhaust on a 2-stroke.
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  #6  
Old 15th June 2019
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have fun with that one
things just wear out
ceramic coating would be the ticket
i cannot recall any exh i have seen with ceramic done on the inside also, so call a coater and see what gives
oh, do let us know, perhaps your foot work will benefit others
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  #7  
Old 15th June 2019
Randy_rots Randy_rots is online now
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Yes, ceramic coating is the way to go and Yes, it can be coated inside also.
I have done it to my exhausts in UK. www.camcoat.com
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  #8  
Old 15th June 2019
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Ceramic Coating the inside is a very good idea.
We do it all the time on turbo and blower cars because of heat under the hood.
It really does help. Plus they stay nice looking
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Old 15th June 2019
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good to know if i run into the need.
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  #10  
Old 15th June 2019
NGOT8R NGOT8R is offline
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Jet Hot Coatings can sandblast and coat the inside with a high temp ceramic coating. They did a header for me about 10 years ago using the Sterling Silver finish and the cost was $360.
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