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^^ exactly. I cant see how its ever going to offer much, same as Tomei GTR manifolds etc... when you look @ the tiny hole that exhaust goes through in the turbine housing, you can see where the restriction is

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  • 2 weeks later...

I think we may be missing the point a bit. I know you get increased volumetric flow with a hone, but as you stated the turbine housing is the restriction. But I'm not so sure that you will use the extra volume, I think its more about having smooth [ie non turbulent] flow, and its this that offers the greatest benefit. The smoother the flow the quicker and cleaner it is. BTW I did my housing as well.

  • 3 years later...

I have just had this done on my exhaust manifold and dynod etc with good result.. I'm running gtx3076. would you like results here.or new topic?

Edited by ShiftyTys

+1 trident and wolv. Yes, the turbine will be by far the most restrictive part of the exhaust, but its a restriction you want. Any other restriction before or after the turbine reduces its ability to do its job.

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