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exhaust rattle???

This is a discussion on exhaust rattle??? within the External Engine forums, part of the LSx Technical Help Section category; so i put a Cutout on my car, and now I hear a really weird rattle when I rev my ...

  1. #1
    Aw shucks. bluefields88's Avatar
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    exhaust rattle???

    so i put a Cutout on my car, and now I hear a really weird rattle when I rev my engine. Is this a normal sound? the car only has around 60K miles on it, so it's not too worn out. You can't really hear it unless the exhaust is open. Here's a video.




    should I be worried?

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    2-Legit-2-Quit bgable's Avatar
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    is it only when you rev the engine?

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    Junior Member DKITCHEN's Avatar
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    Is it an electric cutout? Mine does that now too, it's actually the butterfly in the cutout rattling. Mine does it at idle and certain rpm's.

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    Junior Member DKITCHEN's Avatar
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    Quote Originally Posted by suede View Post
    did you put gasket maker in between the cutout and the pipe?
    It came with a gasket. It's actually the butterfly inside the cutout that rattles. If I put my finger on it the rattling at idle stops...

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    Aw shucks. bluefields88's Avatar
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    ya, it's only when I rev it. It's a QTP electric cutout.... That sucks if that's what it is. I paid alot of money for it and I don't want to be embarrassed when I rev it by sounding like something's falling apart. It only happens when it's open.

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    Aw shucks. bluefields88's Avatar
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    Quote Originally Posted by bgable View Post
    is it only when you rev the engine?
    That's the only time that I notice it. While it's open it seems to make all the rattles in my car rattle. haha

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    2-Legit-2-Quit bgable's Avatar
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    yah my change in my ashtray use to rattle with my exhaust, but also i had SFC and the bolts had worked loose and it was a really loud rattle when i revved but could also be slightly heard when driving normally and thats what it was just something you might check but since it's only when the QTP's are open its prolly something with them.

  8. #8
    Aw shucks. bluefields88's Avatar
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    Think I should call QTP and complain?

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    Still The Junior Member RedVertTA's Avatar
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    Quote Originally Posted by bluefields88 View Post
    Think I should call QTP and complain?
    QTP won't honor your complaint, they don't have warranty, they'll probably just blame you and say you screwed something up. You should have gone with DMH like I did, cheaper and has a 4 year warranty.
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    Aw shucks. bluefields88's Avatar
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    Quote Originally Posted by suede View Post
    not till you know what is rattling.... then if it is the cutout itself that is doing the rattling, then sure if thats what you want to do you sure could...

    have a buddy run the gas for you while you look underneath and you may be able to narrow it down that way....
    Ya I'll have to do that...

  11. #11
    2-Legit-2-Quit bgable's Avatar
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    you might call QTP and see if they have any idea what could be making the sound?

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