| back pressure
how many psi should an exhaust run?
i know that it should be as low as possible to get the most flow though the engine but how many would be to many?
my bike is running some where about 2 psi at half throttle if i remember correct
i will measure it again tonight....
__________________ If it does not move at first, get a bigger hammer!! Myspace Yamaha 1982 xj550 under bike lights Kawasaki klx250 1979 custom fiberglass silencer+ Honda xr200r 1985 stock = Dakaw Dk250 2008
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