Ford Mustang Forum - View Single Post - H or X dual exhaust?
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post #2 of (permalink) Old 07-18-2006 Thread Starter
nitrous36
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Ok. I did some research. Here is what I found. The purpose of H and X pipes is to reuduce the pulsing and back pressure of exhaust from 2 cyl's that fire at the same time on the same bank by bleeding the exhaust into the other side where there is no pressure. That helps torque and hp. The X pipe is more efficient and gives more torque and hp than the H pipe. The H pipe is louder. The X pipe has a lower smoother sound. So if you want sound go the H pipe, if all you are worried about is performance then the X pipe. I decided the X pipe. So now my question is who offers the best X pipes?

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