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Y pipe I here knocking or loose bolt?

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Old 03-26-2006, 10:50 PM
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Default Y pipe I here knocking or loose bolt?

I just got my headers and Y pipe installed and I just noticed that very time I stop at a red light I here like a knocking little noise is it the y pipe or could it be a loose bolt? Not loud I can here it if I concentrate on it what could it be?
Old 03-26-2006, 11:19 PM
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https://ls1tech.com/forums/showthrea...hlight=Thunder
Old 03-27-2006, 10:05 AM
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Could be your ypipe hitting the cross member?? Check your clearances on all the pipes and the hangers.
Old 03-27-2006, 10:40 AM
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Is it a problem if it hits? Is it a big deal?




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