View Full Version : Header
Z400champion
03-07-2007, 08:31 AM
I currently own a slip on exhaust. If i buy an after market header will it increase the power
underpowered
03-07-2007, 09:01 AM
most of the time an aftermarket header will increase top end power. but from my experience, on the Z the factory head pipe is fairly large and you don't see much of a difference with an aftermarket head pipe
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