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OEM ITR catback diameter?

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Old May 29, 2012 | 07:47 AM
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Default OEM ITR catback diameter?
Is the OEM ITR catback exhaust 2.25" or 2.5"?
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Old May 29, 2012 | 10:40 AM
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Default Re: OEM ITR catback diameter?
its 2.25 why didnt you ask me lol
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Old May 29, 2012 | 08:11 PM
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Default Re: OEM ITR catback diameter?
it's 2.25 OD and bottlenecks down to 2" OD where it meets the cat and just before the muffler.
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Old May 29, 2012 | 09:07 PM
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^^^what he said


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Old May 30, 2012 | 10:46 AM
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Default Re: OEM ITR catback diameter?
mine doesnt bottleneck right befor the muffler?
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Old May 30, 2012 | 11:57 AM
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Default Re: OEM ITR catback diameter?
Originally Posted by 90efb16
mine doesnt bottleneck right befor the muffler?
If it is OEM USDM, then it does.
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Old May 30, 2012 | 04:12 PM
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Default Re: OEM ITR catback diameter?
Originally Posted by 90efb16
mine doesnt bottleneck right befor the muffler?
All the jdm and usdm type r mufflers i've seen have a 2" bottleneck where the tubing enters the muffler. I even have a DC5 type r muffler in my garage and it does the same bottleneck before the muffler.
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Old May 30, 2012 | 04:57 PM
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Default Re: OEM ITR catback diameter?
Originally Posted by wasanissanFL
All the jdm and usdm type r mufflers i've seen have a 2" bottleneck where the tubing enters the muffler. I even have a DC5 type r muffler in my garage and it does the same bottleneck before the muffler.
nvm I looked at mine and it does sorry lol
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Old May 31, 2012 | 08:54 AM
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Default Re: OEM ITR catback diameter?
Are the complete catback USDM and JDM version the same?
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Old May 31, 2012 | 09:25 PM
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Default Re: OEM ITR catback diameter?
Originally Posted by lzylst
Are the complete catback USDM and JDM version the same?
yeah they are the exact same.
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Old Jun 1, 2012 | 06:49 AM
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Default Re: OEM ITR catback diameter?
Thanks fellas!
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