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trouble maker........

Correct me if I'm wrong here but wasn't the balance pipe on twins developed by Triumph and proven to improve and balance flow at low and mid-range thereby increasing torque?
I can't say who invented the balance tube, but I do know that every real performance exhaust has one. I also know that part of their performance improvement comes from having one cylinder's exhaust help scavange the other cylinder(s) and increase the fuel/air charge flowing in on the suck stroke. My Low Rider ran much better with the stock exhaust with the x-over tube than it does with drag pipes.
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