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An Often Misunderstood Concept is How Backpressure Reduces Power Output and Throttle Respons...
Back Pressure. The most common part replaced on a new Harley-Davidson motorcycle is the exhaust system. Due to EPA regulations often times getting your bike to sound like a Harley means you need to make it louder.
10 paź 2017 · Once this pulse of exhaust exits the muffler, fresh air rushes in the exhaust to equalize the pressure of the vacuum left behind the exhaust pulse and starts travelling back up the exhaust system towards the exhaust valve.
20 lip 2021 · The Urban Myth that Harley's Need Backpressure is perpetrated by almost everyone, including "Techs" at Dealerships. Watch the Video, if you still think Backpressure does not Rob Power from...
25 maj 2019 · Clearing up the myth and misunderstanding of back pressure on a Harley Davidson motorcycle ...more.
Back pressure refers to the resistance against the flow of exhaust gases out of the engine cylinders. To visualize this, imagine inflating a ball with a bicycle pump. At first, air flows easily, but as pressure builds, it becomes increasingly difficult to pump in more air.
22 lip 2021 · So what is exhaust backpressure? Basically, the whole exhaust system is one giant flow restrictor, with things like curving bends, collectors, baffles and a muffler impeding the airflow, and this causes the upstream pressure to increase. These pressures will be higher at the valve, and fade in pressure the further out the pipe gets from the valve.
