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    Author Topic: Flowmaster rattle  (Read 754 times)

    Offline mikerallye

    • Jr. Member
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    • Posts: 321
    Flowmaster rattle
    « on: August 20, 2008 - 12:14:54 AM »
    I have 40 series flowmasters behind headers, and when I got on it today, I heard the left one make a nasty rattle inside the muffler. They have about 2500 miles on them. Is this common. Only does it when I get on it hard.  :burnout:
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    nivvy

    • Guest
    Re: Flowmaster rattle
    « Reply #1 on: August 20, 2008 - 12:17:07 AM »
    may be bouncing off the bottom of the car / floor pans etc.............  :working:
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    Offline Moparal

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    Re: Flowmaster rattle
    « Reply #2 on: August 20, 2008 - 12:24:30 AM »
    Sounds like a divider has broken loose at a weld
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    Offline loco340cuda

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    • Posts: 819
    Re: Flowmaster rattle
    « Reply #3 on: August 20, 2008 - 12:56:59 AM »
    Quote from: Moparal on August 20, 2008 - 12:24:30 AM
    Sounds like a divider has broken loose at a weld
    :iagree:
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    1970 Cuda 340 4-speed - now stroked to 416ci (SOLD)
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    Offline 422STROKER

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    • Member Since 6/3/06
    Re: Flowmaster rattle
    « Reply #4 on: August 20, 2008 - 03:34:05 PM »
    Quote from: Moparal on August 20, 2008 - 12:24:30 AM
    Sounds like a divider has broken loose at a weld

     :iagree:

    I broke one loose after my last trip to the dragway, didn't have any backfires either.  First thing the muffler shop asked.

    Tom

    They replaced in no charge.
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    Tom
    12.77 @ 108.87 15" Street Drag radial tires 3.23 gear

    Offline wally426ci

    • Sr. Resident
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    • Posts: 5095
      • maryland mopars
    Re: Flowmaster rattle
    « Reply #5 on: August 20, 2008 - 05:04:11 PM »
    My divider (welded rod seperating both pipes) broke loose and i drove like that for a whole season thinking i needed mufflers, turned out to be that. 

    :woohoo:

    check it out!  :working:
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