Does anyone out there have a decent understanding of back pressure and how it works with the exhaust? Never had it explained to me but heard it mentioned a few times when discussing aftermarket cans. What does it have to do with power and torque if anything? Please enlighten me lol
This is from a car forum but the principle is still the same Backpressure vs. Exhaust Velocity Explained - Honda-Tech
I always worried about it more on a two stroke as it effected Them more with the no valve setup. But basically its all about Efficient exhaust gas removal stopping the engine from choking Up.