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R31 Gtsr Exhaust Manifold ..... And Factory Tb4301 T04 Turbo.


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Why does yours have fresh weld marks around all the runners, and the runners look perfectly new?

It is a copy?

I say this as all of the manifolds i've ever seen look nothing like that as there is substancial discolouration after years of use with the grade of stainless used for the manitolds.

Also those welds are much better than a factory one's on every manifold i've seen including the one i owned.

from my experience in the exhaust industry that manifold looks to be ceramic coated.... that could explain the differences that u state mate, i have fitted heaps of ceramic coated stuff and it ends up lookin just like that manifold even after years of use, IMHO judging by the collectors this one is original as the nissan ones are press formed collectors that i doubt could be replicated with out great expense, unlike our chinese friends with their press bends and then tig over mig welds lol

Great and rare manifold and good luck with the sale

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