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I'm using a gt3040 rated at 600hp and using a 45mm external wastegate for a rb30det.(r33 gtst head)

Is it worth getting the plumbing for the wastegate put onto the standard exhaust manifold or should I just get a ss exhaust manifold all ready to go?.

Has anyone tried the Unique auto sports manifolds?

gtstmanifold2.jpg

The manifold is made by GCG, i just put one on my car. Not the cleverest design. I have had to remove the a/c to run the exhaust. Runner 6 goes out to far and leaves you with very little room for front pipe.

As for construction they are a nicely made manifold, well cleaned (grinding etc) and look sexy. Cant comment on flow yet, as I havent started it yet.

PS GCG sells em for 1100 so they arent expensive either

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