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Strange Exhaust Part

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Old Feb 9, 2010 | 08:42 PM
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Strange Exhaust Part

New to the forum. Used to spend alot of time turning wrenches. Now I'm a service Tech for HVAC systems, so I'm a mechanical type.
Heard a thump/bang under the truck the other day and once in a while since. Crawled under to find a strange looking item loose. Looks like a small can, which seems to be solid, welded to a rotted clamp that was sliding up & down the exhaust pipe. Was wondering what the purpose of this item might be and how important it is. I noticed no hangers from the middle of the truck until behind the muffler, so I assume this was involved somehow.
Thanks for any input.

2000 F-150 2wd
 
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Old Feb 9, 2010 | 10:14 PM
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it's a weight added to the exhaust to help with vibrations and noises
 
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Old Feb 9, 2010 | 11:19 PM
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Thought it might be a weight of some type. I figured that maybe the exhaust was heavier on one side so it might keep it from trying to twist loose over time or break the welds. Should I try to get a replacement? It definitely looks like a dealer part.
Thanks for responding.
 
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Old Feb 10, 2010 | 05:14 AM
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I was wondering what that was the other day when I was under my truck. If you know someone that has a welder it would be an easy cheap fix.
 
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Old Feb 10, 2010 | 08:00 AM
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it's not that big of a deal, nothing is going to break because it's not there, if you notice a vibration sound coming from underneth then you know why
 
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Old Feb 10, 2010 | 09:43 AM
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Ford did put them there for a reason. The exhaust can make vibrations and sounds at certain RPMs, the weights help control the issue. Not a huge problem, but a welder would be a good fix.
 
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Old Feb 10, 2010 | 09:48 AM
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i believe its called a resonance reducer
 
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Old Feb 10, 2010 | 10:25 AM
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mine fell off over the summer, since then i got the magnaflow cat back cause the rest of the stock exhaust was rotting away
 
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Old Feb 10, 2010 | 04:47 PM
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I had a noise from underneath this fall that sounded like a vibrating heatshield and was worries that the cat came apart (not sure if they still do that, they used to be ceramic & we'd hit 'em with a hammer & shake out the pieces
Truk went in for inspection & I asked them to tighten it. Noise came back a couple of wks ago and now the weight was loose. Not sure but I think the rattle is gone. Mybe it was the weight loose. I have a welding torch, (just have to teach myself how), but I don't know where it was mounted. Can I get a diagram of the exhaust or am I better off getting a Chilton;s Manual.

PS thnx for the responses.
 
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Old Feb 11, 2010 | 03:06 AM
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I'll be under my truck tomorrow. If I can find the camera I'll take a few pics. If not ill just do some measuring. I have a 99' 150 w/ 5.4 I'm assuming the exhausts are the same or at least similar.
 
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Old Feb 11, 2010 | 08:28 PM
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Mine is about 14 - 15 inches in front of the muffler with it parallel to the ground on the inside of the pipe. Looking at it I really doubt that it matters if its exactly in the same place as before.
 
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