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Old 09-20-2014, 03:37 PM
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DougD DougD is offline
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Join Date: Mar 2000
Location: Des Moines, IA
Cobra Make, Engine: Sold my beloved Shelby CSX 4068, Gessford 427 Ford
Posts: 756
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Default Exhaust sealant advice needed

Hello All

I recently took the headers and side pipes off my RepliCobra to have them ceramic coated. Now I am ready to put them back on, and I have a couple questions I'd like some advice on from the group. I have researched a ton of threads on the subject here on Club Cobra, but I'm still not clear on what I should use. Opinions seem to differ greatly, and most cars use a different arrangement than the headers/sidepipes that came with my car.

First, I have a pair of the high-dollar copper gaskets for the headers-to-cylinder head connection. Should I use anything on them, like hi temp silicone, use something else, or leave the gaskets bare?

Second, my headers use a slip fit for the eight individual pipes into the side pipes. Should I use something to seal the slip fit connection? If so, what would you recommend?

Thanks in advance, and I look forward to the group's opinions.

Doug
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CSX4068, '69 Bronco, '70 BOSS 302, '87 Mustang GT, '08 Roush Trak Pak
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