Exhaust question for my 89.... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-31-2007, 12:11 PM   #1
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Default Exhaust question for my 89....

hey guys...haven't been on here in awhile...but um just yesterday a mystery sound begin when I was driving...seems to be a vibration when I get on it going down the road...its not coming from the motor but seems to be coming from the cataylic converter area...which it has the orignal exhaust on it from 89....and stock converter....has anyone ever had a the converter sound like its vibrating...?????...maybe I thinking a piece of the converter broke off and is vibratiing inside of it......thought about taking down to the muffler shop just to see if they will cut it off and weld in a pipe in place of it just to get rid of it......or thought about getting just new factory exhaust which don't know how much that run or just cut the converter off....tell me what you think.....


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Matt
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Old 03-31-2007, 12:27 PM   #2
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Yes the converter is coming apart internally... Thats the rattle...

Get a Magnaflow Cat, and have them weld it in place...

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Old 03-31-2007, 03:48 PM   #3
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what size pipe?...i think its 2.25 in and out of the converter....
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