2003-04 Mach 1 Registry Owners Club - Question for fellow KB mach drivers...

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- - Question for fellow KB mach drivers... (http://www.mach1registry.org/forums/showthread.php?t=71413)

J1MJ1M

10-22-2007 09:50 PM

Question for fellow KB mach drivers...

Does anyone elses bypass valve make a cool whistle noise when you are just crusing around at say 30 in the lower RPM's? Mine used to do it the first year but hasn't in a while. No difference performance wise just not the same old cool whistle sound while cruising along...:OUCH:

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