TwinTurbo.NET: Nissan 300ZX forum - Extrude Honing MS Manifolds
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Subject Extrude Honing MS Manifolds
     
Posted by collegeboy on September 17, 2007 at 1:22 AM
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Message When my MS manifolds came in, I remember while they are a huge improvment over stock, they still could be much smoother inside of them. Not sure if the gains woul dbe huge, but I'm sure it can't hurt. I was originally thinking of getting them extrude honed, but after contacting the shop that does that, I learned that getting that done would cost almost as much as the manifolds themselves. Does anyone know of any other methods of getting the insides nice and smooth besides extrude honing or manually porting them? If not, then I guess I will just leave them as is, or maybe manually port them. Thanks everyone.

Thanks,
Mike
1991 Black Twin Turbo

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