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Thread: st class mods
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Old 03-01-2011, 12:11 PM   #2
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What I Drive: 03 ZX3 Duratec 08 WRX Hatch

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Well, that is about it, the cat rules for ST eliminate being able to add any of the off the shelf headers headers for a duratec. Spend your dollars on wheels and tires if you want to go faster. If you really want a bit more power you could add a dyno tune.
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2003 ZX3 23D Autox Car 42 FSP

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Last edited by wrc_fan; 03-02-2011 at 06:51 AM.
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