TwinTurbo.NET: Nissan 300ZX forum - Excuse me, but I've never considered Hiper, is it a H-pipe?
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Subject Excuse me, but I've never considered Hiper, is it a H-pipe?
     
Posted by not-hrz on January 21, 2003 at 7:43 PM
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In Reply To Like this?? posted by ImTheDevil on January 21, 2003 at 06:47 PM
     
Message I've never considered even looking close at one, because it looked sooo, well, I'd rather not say other than it's not exactly a good looking exhaust from the rear. But, is that a Hiper in ImTheDevil's picture? And is it a H-PIPE?
If it is, for those that are saying it is the best flowing exhaust, you're nuts! The H-PIPE will NOT flow good at higher RPMs. It will creat a negative pressure in the crossover pipe and turbulance at the junction of the h-pipe and each pipe going to the rear. It's the same principle as blowing across the top of a straw and causing the contents of the straw to come to the top. If gas velocity is going across both ends of the h-pipe, it is working against itself. At lower rpm, it may help between exhaust pulpses, but at higher rpms, it will only hurt.

     
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