Is vibration normal on 51" Donalson ?
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Is vibration normal on 51" Donalson ?
I just installed a 51 " Donaldson muffler and the truck sounds great but when I climb under neath the section from the down pipe to the muffler is vibrating. Is this normal ? If not any suggestion on what or how to fix it. Thanks.
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You know I re-installed mine and im getting a slight rattle, I think its one of the band clamps or my tip, either way I cant believe I ever took this thing off, what a sweet muffler, no vibrations, no drone, and the truck is much smoother, its a slight bit laggier down low, but its worth it, is your hitting the crossmember at all? might need a bit of coaxing
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My only complaint was the trashcan like vibrations I got from the muffler so I stuffed it with FG insulation, wrapped it with more FG and built another sheetmetal cover over that. I have a muffler in a muffler. And I still want it quieter! Craig
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I don't feel the vibration but I can see it when I'm underneath it. You can see a liitle vibration on the tail pipe too. I not ot concerned just since there is no noise and I can feel any vibration. Maybe I will add one more hanger. Thanks.
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Here's a cross reference that's handy:
http://www.cumminsfiltration.com/pdf...s/LT32002D.pdf
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I noticed the same thing on mine. It also did it when I had my dynomax muffler installed. I think its from not having the front exhaust/stock muffler hanger on. They also had to cut the front muffler hanger off when I installed the big donaldson 51. Another hanger in there would take it out, let us know how it goes.
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