Thread: Rattling in Exhaust

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  1. #1 Rattling in Exhaust 
    SE Level Member GTByron's Avatar
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    Just wondering what could be the cause of this rattling sound in my mufflers. It's pretty annoying. I can hear it at idle and when I'm taking off until about 2500 rpm.
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  2. #2 Re: Rattling in Exhaust 
    I live here. MoarkatsINmuhtrailer's Avatar
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    You sure it is at the mufflers?

    Check the heat shield over the downpipe and the one over the resonator.
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  3. #3 Re: Rattling in Exhaust 
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    the baffles have fallen apart and are bouncing around in your mufflers.

    Time for new mufflers.
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  4. #4 Re: Rattling in Exhaust 
    Killa Bee Scottydoggs's Avatar
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    check the rubber hangers as well, they like to break.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: Rattling in Exhaust 
    SE Level Member GTByron's Avatar
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    Yea its definitely the mufflers because when the car is running and I'm standing at the back I can hear them rattling. It's not super loud but it noticeable when your standing behind it. And I car hear it inside the car when I'm taking off. Does this mean I have to replace the whole exhaust?
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  6. #6 Re: Rattling in Exhaust 
    Killa Bee Scottydoggs's Avatar
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    lift up on the mufflers, if it stops it could be the hangers. or the bolts are loose that hold the bracket that hold the hangers.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  7. #7 Re: Rattling in Exhaust 
    SE Level Member GTByron's Avatar
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    I just checked. I forgot to mention that it only does it in hot weather or when the exhaust is hot. The rubber hangers look fine but the bracket that holds the rubber is a bit rusty.
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