JDM cat

[squish85]

Hi guys.. I know its a noobish qns.. (but this is after all a noob forum...) how long is a standard JDM cat for a dc2 ? I measured mine today and it came up to be approx 32cm long from flange to flange... Can anyone enlighten me ?

Many Thanks

[DA9B18C]

i have one and can measure it tomorrow. its def shorter then AUD dc2r cat

[squish85]

Is the difference between JDM and AUDM cats in the length only ? or the flange as well...? My cat seems to have a bell shaped flange joining up to the header.. while the other side that joins to the catback is totally flat and flushed...

Thanks DA9B18C... hope they +rep u for this.. :)

[EG30]

299mm flange to flange on our jdm cat.

flanges 2.5" instead of 2.25", and of course bigger donut gasket to go with it.

[DA9B18C]

299mm flange to flange on our jdm cat.

flanges 2.5" instead of 2.25", and of course bigger donut gasket to go with it.

perfect, got same measurments, just a tiny bit under 12'' or 300mm long and def 2.5'' flange

[squish85]

alright guys... looks like the only sure way of finding out is for me to fit a JDM header... getting one tml.. and hopefully it fits... (if not metal cat + flange for me...) argz....

here are some pics of my cat anyways...

http://i84.photobucket.com/albums/k14/jeffwu85/14092008001.jpg

http://i84.photobucket.com/albums/k14/jeffwu85/14092008.jpg

Thanks guys for bothering to measure up ur cats...

[EG30]

http://img110.imageshack.us/img110/3573/img4910aa6.th.jpg (http://img110.imageshack.us/my.php?image=img4910aa6.jpg)http://img354.imageshack.us/img354/9181/img4911fu0.th.jpg (http://img354.imageshack.us/my.php?image=img4911fu0.jpg)http://img354.imageshack.us/img354/8016/img4912zu6.th.jpg (http://img354.imageshack.us/my.php?image=img4912zu6.jpg)

pics of JDM cat on our dc2r and its flanges

[DA9B18C]

that doesnt look like my jdm cat EG30?????

my one looks like squish85 pics

[squish85]

my flanges( flat on catback end.. and bell mouthed on the other) looks exactly like EG30's... but i got a feeling that its much smaller in diameter...
Just curious DA9B18C how did u know u had a JDM cat ? Did u manage to fit JDM headers on it ?

[DA9B18C]

nah, bought it from reputable source, its 2.5'' and is shorter then the AUD itr cat

[EG30]

bought ours from Toda during last year's headers groupbuy, it's an xforce metal high flow cat trimmed to JDM length with JDM s/steel flanges TIG Welded on.

Yours prob an OE ceramic core cat from jdm spec ITR thus has the oe heatshield around the cat body and steel flanges.

[DA9B18C]

http://img110.imageshack.us/img110/3573/img4910aa6.th.jpg (http://img110.imageshack.us/my.php?image=img4910aa6.jpg)http://img354.imageshack.us/img354/9181/img4911fu0.th.jpg (http://img354.imageshack.us/my.php?image=img4911fu0.jpg)http://img354.imageshack.us/img354/8016/img4912zu6.th.jpg (http://img354.imageshack.us/my.php?image=img4912zu6.jpg)

pics of JDM cat on our dc2r and its flanges

u said here its a JDM cat, then u said its Xforce with JDM flanges??????

so which one is it???????????

i believe the latter statement "xforce cat+JDM flanges"

[EG30]

I meant JDM spec cat ie bits put together to same mounting dimensions as per JDM oe cat on jdm dc2r.

[squish85]

So in summary.... The defining features of a JDM "spec" Cat... would be ..

1) Shorter than AUDM cat (exact measurements ? Are all JDM cats of same length..?)
2) 2.5 flange