exhaust leak - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 11-06-2011, 05:50 PM Thread Starter
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exhaust leak

On the inlet side of the cat I have a leak. I have tried to tighten in as much as possible, but no luck. Where can I get a new gasket for it? Part number?

I have a MBRP turbo back 4".


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post #2 of 9 Old 11-06-2011, 06:25 PM
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To the best of my knowledge there is no gasket. How bad is the leak?

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post #3 of 9 Old 11-06-2011, 06:41 PM
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I think the best place would be MBRP maybe someone on here could post a universal replacement part number. I too have the same set up with a cat delete pipe but I will need to install my CAT for smog and will need the gasket.

To Forddieseldoctor, the factory connection was a ball design with no gasket but the MBRP downpipe uses a gasket to seal to the cat.

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post #4 of 9 Old 11-06-2011, 06:48 PM
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I didn't know that the MBRP used a gasket. I knew that there was no gasket on the oem pipe.

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post #5 of 9 Old 11-07-2011, 09:15 AM
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I have an MBRP 4" cat back and have the same problem with the gasket, I blew the first one and looked everywhere for a replacement, called MBRP and they sent me two new gaskets for free. Also you have to tighten the pajesus out of it to keep it from blowing out again because the stock cat has a flange on the pipe. Plus to get the new gasket in you have to either take the pipe off or cut slots in the gasket holes to slip it on. Kinda poor design if you have to keep the cat.

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post #6 of 9 Old 11-07-2011, 09:34 AM
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I had the same thing and just ended up getting the delete pipe from mbrp and it comes with the gasket.

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post #7 of 9 Old 11-07-2011, 12:28 PM
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Quote:
Originally Posted by dhetrick2 View Post
I have an MBRP 4" cat back and have the same problem with the gasket, I blew the first one and looked everywhere for a replacement, called MBRP and they sent me two new gaskets for free.
I'd prefer that it didn't blow the gasket but that's great customer service to send you a new a free set.

Brian

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post #8 of 9 Old 11-07-2011, 02:47 PM
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I agree, they have great customer service but I have blown out two of these gaskets already. They really need to have a 4" dounut between the downpipe and stock cat, I have looked everywhere but can't find one that big.

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post #9 of 9 Old 11-07-2011, 05:42 PM Thread Starter
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I'm glad to hear that it's not just a problem I have. I tightned it down tight, and stopped before I twisted the bolts off. I'll call MBRP for a new gasket I guess, maybe order a delete pipe instead? I don't have emmisions here!

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