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WTB: 1999 LS1 exhaust manifolds


LS_Sonoma

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are there any cast numbers etc on them to make sure they are from a 99? i ahve a set with the o2 sensor in them also but idk if they are from a 99 or not

 

mmm, not I know of. I can tell pretty quick with a pic though. They are stamped steel vs. cast. Sending you a PM with my email addy.

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