C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

X Pipe inside of muffler

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Old Oct 14, 2004 | 11:37 AM
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Default X Pipe inside of muffler

This is just an FYI for you guys. Magnaflow makes a number of dual in/out mufflers that have a perferated x pipe inside. I just got mine yesterday and will be replacing my center muffler with it.

Since I have a 383, LT headers and no cats, I need someway to have a more free flowing exhaust and quite it down.
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Old Oct 14, 2004 | 01:25 PM
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Let us know if you like it. I have always thought about doing the same. If you have the stock pipes still, did you just buy the 3 in in/out mufflers to slide over the pipes? I would think it would be worthwhile for the x in the muffler and to remove the inlet to resonator that narrows to 2 1/4 inches, alone.
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Old Oct 14, 2004 | 04:15 PM
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While I already have an x-pipe, I think the extra packing material around the x-core will quiet down the exhaust some. Do you have a part number??
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Old Oct 14, 2004 | 05:46 PM
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Originally Posted by TM-96CE
While I already have an x-pipe, I think the extra packing material around the x-core will quiet down the exhaust some. Do you have a part number??
12469

This site does not state that it has a x pipe inside this muffler but I called Magnaflow and they siad it did. Sure enough when I recieved it yesterday it did.
http://www.magnaflow.com/02product/universal/oval.htm

Please note that have not installed yet. The measurements that I have made indicate that it will fit. I will report back when I have it installed.
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Old Oct 14, 2004 | 05:50 PM
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Originally Posted by all4c4lt4
Let us know if you like it. I have always thought about doing the same. If you have the stock pipes still, did you just buy the 3 in in/out mufflers to slide over the pipes? I would think it would be worthwhile for the x in the muffler and to remove the inlet to resonator that narrows to 2 1/4 inches, alone.
My plans are to go with 3" from the headers to just past the center muffler. After the center muffler I will have dual 3" electric cutouts to bypass the stock mufflers. Then I can go from steatlh mode to kick a@@ mode with a flip of a switch.
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