duncan 450r/yfz big valves

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03-18-2004, 08:31 PM

cRazyJ

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duncan 450r/yfz big valves

do any of you guys have big valves for your 450r or yfz? is it worth it?

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03-18-2004, 09:12 PM

SANDMAN430

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duncan 450r/yfz big valves

i do on the ds and it was worth it

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