TwinTurbo.NET: Nissan 300ZX forum - Re: All depends on if you get the right set---->
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Subject Re: All depends on if you get the right set---->
     
Posted by cherry on December 07, 2001 at 2:12 PM
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In Reply To All depends on if you get the right set----> posted by Turbo Trash on December 07, 2001 at 12:33 PM
     
Message My understanding (for what it's worth) is that -- although rapid changes in diameter should be avoided in order to minimize turbulence -- the bigger the pipe the better when it comes to a turbo (since it's force fed). So if you've got 3" all the way through, it makes sense to use 3" downpipes too. The exhaust gases at the turbo are already so hot, the flow is less restricted by density than it is by pipe width.

     
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