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2003-2009 Nissan 350Z

Need ! Help ! Please !

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Old 06-29-2004, 09:54 PM
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Z.Shifter
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Default Need ! Help ! Please !

Hey everyone i need some help, i have custom HF cats and their

giving me a bad noise around 3k to 6k rpms ans its pissing me off

i dont wanna drive my z and that sucks! Any help plz? K Thx

-Josh
Old 06-30-2004, 09:49 AM
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Jetpilot718
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Take em off. I hear Ultima Racing cats are good, they keep a near stock sound with minimal rasp. Do a search on Ultima Racing products. See what it says...




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