TwinTurbo.NET: Nissan 300ZX forum - What is the purpose of the H/X pipe??
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Subject What is the purpose of the H/X pipe??
     
Posted by Da Flash on April 24, 2012 at 6:32 AM
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Message The reason that I'm asking is that my Z has a custom/homemade exhaust. Just downpipes, test pipes, and mufflers with no H or X connection. From what I've read, the H or X pipe is to reduce pulsing in the exhaust that produces an irritating sound. Is that the only purpose that it serves?? My exhaust doesn't sound too bad but it make a pulsating sound at idle.

     
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