What is back pressure in engine?
What is back pressure in engine? Engine exhaust back pressure is defined as the exhaust gas pressure that is produced by the engine to overcome the hydraulic resistance of the exhaust system in order to discharge the gases into the atmosphere. The term back pressure can be also spelled as one word (backpressure) or using a hyphen (back-pressure). How does back pressure help an engine? However, a little back pressure is a good thing. In fact, it helps. The right size pipe is large enough to breathe well but small enough to create a high exhaust flow. Steps in the...