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Old 09-06-2016, 06:45 PM   #5
Amputechture
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Guybo- Did the powerband shift to the left and lose top-end or did it shift to the right and lose mid-range? I am always one that is inclined to take the side of empirical data over theories but theoretically any decrease in back pressure should mean less pressure opposing the turbine wheel and slowing it from spinning. The question is how much of that opposing pressure can be decreased by opening up the exhaust that far downstream? If I were to gain 5-7 lbs. of torque throughout a decent chunk of the RPM band(spanning across 3,000 RPMs) I would consider it a worthy investment (speaking for myself). Perhaps I'm pipe dreaming by thinking this...which is why I'm looking to those w/ experience.
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