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07-25-2012, 09:01 AM
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E30 Fanatic
Join Date: Oct 2011
Location: Tucson, AZ
Posts: 1,353
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Loose Cat...
Was under the car to do CSB the other day when I found that my cat is loose on both sides of the connection.. I'm guessing this is not normal?
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 77' 280Z. 91' 318is. Quote:
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07-25-2012, 03:59 PM
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#2 |
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E30 Fanatic
Join Date: Sep 2006
Location: Plano, TX
Posts: 1,327
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Not really unless the last person didnt tighten the bolts all the way. Guessing you did though, right?
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07-25-2012, 04:11 PM
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#3 |
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E30 Enthusiast
Join Date: May 2011
Location: Utah
Posts: 1,145
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this may help:
http://www.petsmart.com/family/index...es+%26+Leashes But no lose exhaust is not normal. Do you still have the OEM style cat?
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 "If one does not fail at times, then one has not challenged himself." -Ferdinand PorscheThe ugly car: http://www.r3vlimited.com/board/showthread.php?t=209713 |
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07-25-2012, 04:42 PM
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E30 Fanatic
Join Date: Oct 2011
Location: Tucson, AZ
Posts: 1,353
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Cat looks OEM, and I don't remember seeing any bolts to tighten the cat down? From what I remember seeing, it appeared the cat was at some point snug around the pipes leading to it, and became dislodged (parts of exhaust are pretty scraped up).
How do you think it would be affecting performance? I've heard it rattle before and thought it was just my exhaust tip again the car, but now I realize my cat is rattling during hard usage sometimes. Anyone have experience with the cheap 70$ aftermarket cats?
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77' 280Z. 91' 318is. Quote:
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07-26-2012, 07:18 AM
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E30 Fanatic
Join Date: Sep 2006
Location: Plano, TX
Posts: 1,327
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Is it just that cover that goes around it? Take it to a muffler shop to have some spot welds done.
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07-26-2012, 09:51 AM
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E30 Fanatic
Join Date: Oct 2011
Location: Tucson, AZ
Posts: 1,353
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That is definitely a possibility.
Does anyone know the inlet/outlet size on the stock cat? I know our system is 2.25" and I found a nice Magnaflow aftermarket cat that says it fits a 1991 318is, however the inlet and out are 2"
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77' 280Z. 91' 318is. Quote:
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