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Re: straight pipe exhaust
Not to sure about straight pipes on a v6, unbolt your pipe after your cat. or right before your mufflers if its not welded and itll give you an idea...i had a 3.4 firebird with the exhaust unbolted for a few hours and although it sounded good at idle it wasnt exactly good sounding at any rpm range. and thats a just a stroked 3.1
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