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Old 05-15-2011, 12:59 PM   #40
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Join Date: Nov 2007
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Location: Sonora, CA
What I Drive: '04 ZX3 D23

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Just did this to my wifes ZX4, only took an hour including setup and cleanup. The car sounds better & my butt-dyno says the engine responds better

I used a K&N RU-3580 available on amazon for $33.20
15.07 @ 93.49 Team Duratec #149
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