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Are the JDM and USDM ITR Muffler's the Same?

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Old Oct 16, 2006 | 10:46 AM
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Default Are the JDM and USDM ITR Muffler's the Same?


As stated, are the JDM and USDM ITR Axleback's exactly the same?

The Baffles in my OEM muffler are shot, and it needs to be replaced, and I have the choice to get either one.

Tried searching and got no answers.


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Old Oct 16, 2006 | 10:56 AM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (Amused)

I believe that they are. Also the 97 ITR axleback is slightly different than the 98+.
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Old Oct 16, 2006 | 10:59 AM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (Amused)

there is only 1 small difference: JDM ITR muffler in the tip area has a tab welded on, for the tip, while the USDM do not have it. Can/mufflers them selves are identical w/ same part number stamped. For all purposes they are definatly interchangable without any issues.

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Old Oct 16, 2006 | 11:56 AM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (eg6ajk)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eg6ajk &raquo;</TD></TR><TR><TD CLASS="quote">there is only 1 small difference: JDM ITR muffler in the tip area has a tab welded on, for the tip, while the USDM do not have it. [/img]</TD></TR></TABLE>

The 97 ITR mufflers have that tab, the 98+ do not. I havent figured out any diff other than that either.
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Old Oct 16, 2006 | 01:15 PM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (jetydosa)

I have a 97 ITR, will a 98 + OEM Muffler fit my car without and modifying?
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Old Oct 16, 2006 | 01:41 PM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (Amused)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Amused &raquo;</TD></TR><TR><TD CLASS="quote">I have a 97 ITR, will a 98 + OEM Muffler fit my car without and modifying?</TD></TR></TABLE>


yes it will. they are the same as far as fitament


<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jetydosa &raquo;</TD></TR><TR><TD CLASS="quote">

The 97 ITR mufflers have that tab, the 98+ do not. I havent figured out any diff other than that either. </TD></TR></TABLE>...learned something new! tia
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Old Oct 16, 2006 | 03:08 PM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (eg6ajk)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eg6ajk &raquo;</TD></TR><TR><TD CLASS="quote">...learned something new! tia </TD></TR></TABLE>

haha, same here, man these cars are magical. always new information
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Old Nov 11, 2006 | 01:22 PM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (rino924)

Are the Pipe dimensions the same on the 2 or is the ITR larger going in and coming out of the muffler? Is so can you give me a measurement? I think I got a GSR one my outside pipe dimensions aren't 60 mm
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Old Nov 12, 2006 | 09:31 AM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (Amused)

So just so we are all clear, that muffler tab on the 97s and JDM mufflers makes you go faster right? I am positive inside that tab you will find the muffler bearings.
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Old Nov 12, 2006 | 09:56 AM
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If there is a difference its probably becsue of strict emission rules here (US). Otherwise they should be the same, keep in mind JDM is always faster regardless the situation
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Old Nov 12, 2006 | 11:32 AM
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Default Re: (ITR640)

Actually the corner weights of the car were off by 2 oz so they added the tab and if you look closely you can see it actually adds down force to that corner. On the USDM version the weights were so off with the driver being on the left side and all they didn't bother.

Can anyone give me a exact measurement outside pipe dimensions right at the muffler please?
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Old Nov 12, 2006 | 12:48 PM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (rino924)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rino924 &raquo;</TD></TR><TR><TD CLASS="quote">haha, same here, man these cars are magical. always new information </TD></TR></TABLE>

The only useless information I don't mind is for DC2R's
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Old Nov 12, 2006 | 03:49 PM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (vivid 02)

98 spec jdm itr mufflers do not have the tab, only the jdm 96 spec's have it, plus the tip on the 96 specs are a hair longer than the 98
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Old Nov 13, 2006 | 11:06 AM
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Default Re: Are the JDM and USDM ITR Muffler's the Same? (an2ny888)

https://honda-tech.com/zerothread?id=288938

this thread should answer all your questions, it gets pretty specific.
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