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Hearing a sound in between shifts.. also a question about piggies pipes..

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Old 03-15-2004, 05:37 PM
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Default Hearing a sound in between shifts.. also a question about piggies pipes..

I tried to STFA but no answer. When Im shifting at a higher RPM like 5 or 6k is hear a slight PSSS sound. I dont know if this is normal and i dont ever remeber hearing it before. Also, are piggie pipes considered legal and are they worth it if i dont have a chip yet? and anyone in SoCal do the mod?
Thanks for the help.
Old 03-15-2004, 05:44 PM
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Default the psss sound is most likely a BPV with a torn diaphram. Piggies are

technically not legal but they will pass a CA smog, AFAIK. Cali guys will have to correct me if I'm wrong.
Old 03-15-2004, 05:59 PM
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Default Valves...

<ul><li><a href="https://www.audiworld.com/tech/eng21.shtml">Dead BPVs</a></li></ul>
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