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Title: oversized exhaust pipe ? Post by: knucklehead on February 10, 2006, 01:51:28 PM I have a 03 z400 with a yoshi ship on and i would like to know if a oversized pipe make that much difference or should I invest is new cames instead . also would I need to re-jet again with a new pipe .
Title: Re: oversized exhaust pipe ? Post by: knucklehead on February 11, 2006, 10:10:15 AM anyone out there ? :o
Title: Re: oversized exhaust pipe ? Post by: kfx400rob on February 11, 2006, 01:45:13 PM a bigger exhaust would be better im sure, but cams will probly give u a better power increase.
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