i believe the usdm itr exhaust has a OD of 2.5 and ID of 2.38 at most narrow part... (the kink right after the resonator it looks like)

does anyone know the OD/ID for the jdm counterpart?

TIA

i've searched, but no conclusive results.

 

The most restrictive section is less than 2" ID...the "bottle neck" right after the cat.

 

less than 2" are you sure?

i didnt know it was that severe

is the jdm = usdm exhaust?

I've really havent seen this question asked....atleast, in a long while.

 

USDM ITR exhaust has an ID of about 2"

most JDM aftermarket exhaust have ID of about 2.25", OD of 2.38" = 60.5mm

I have never measured a JDM ITR exhaust but I would think that it's also 2" ID.

Note that the ID of the exhaust does vary. ie. bottlenecks etc

 

i also think the jdm bpipe is longer than usdm as well...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Soup **** &raquo;</TD></TR><TR><TD CLASS="quote">i believe the usdm itr exhaust has a OD of 2.5 and ID of 2.38 at most narrow part... (the kink right after the resonator it looks like)

does anyone know the OD/ID for the jdm counterpart?
</TD></TR></TABLE>

Um...it's 2.25" OD (57.2mm) plus smaller at the bottlenecks for both USDM and JDM OEM ITR exhausts. Search n00b, I thought everybody knew this already

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by myself &raquo;</TD></TR><TR><TD CLASS="quote">i've searched, but no conclusive results.</TD></TR></TABLE>

thanks everyone who has replied.

I guess ill be looking for a inbetween.