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Old 11-05-2009, 09:20 PM   #1 (permalink)
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Join Date: Jan 2007
Location: St Louis MO
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Choking the ST90

My ST90 is a slug. It sure doesn't feel like a 90cc. I saw before that the exhaust needs to be ground out where the head flange is welded on, and thought I saw something about the intake also being too small. My questions are....1....what intake do I need (on a budget). And 2....will these 2 mods make a noticeable difference? thanks
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