Stock diameter of a 75' KZ400S pipe

kuhl

New Member
Hey there, anyone know the stock diameter of a 75' KZ400S lower end of the pipe? I plan on cutting them right before where the stock muffler starts and buying a shorter muffler.
 
Give me a rough idea where you want to chop it and I'll go measure for you. But why not just take the muffler off and measure? I think they ar 1.5" OD
 
1.5 OD on my 83 440, you will have to change your jets, pilots and main for free flowing exhaust.
 
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