Ford Mustang Forum - View Single Post - H or X dual exhaust?
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post #3 of (permalink) Old 07-18-2006
STONECOLD
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Quote:
Originally Posted by nitrous36
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?
The X is louder and has a higher pitched sound, the H is lower and has a deeper growl. I have an X.

1995 Mustang GT 5.0
BBK CAI, Pro-M 75mm MAF, Pro-M Optimizer, BBK 70mm TB, GT-40 Intake, 24# Injectors, AFR 165's, 1.7 Roller rockers, Crane 2040 cam (E-303) BBK Equal Length headers, BBK O/R X-pipe, Flowmaster American Thunder 2 Chambers. FMS 3.73 Gears, Lentech AODE 2800 stall, BBK 255lph Fuel Pump, BBK Fuel Pressure Regulator. MSD 6AL, Steeda UDP's, FMS Aluminum drive shaft, Autologic chip Larocca tune.
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