# wtb: oem nissan cat s13/s14

**URL:** <https://forums.speedlife.net/t/wtb-oem-nissan-cat-s13-s14/99808>\
**Category:** Classifieds\
**Created:** [September 11, 2006, 7:50pm UTC](https://forums.speedlife.net/t/wtb-oem-nissan-cat-s13-s14/99808 "2006-09-11T19:50:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![MrSkinny](https://avatars.discourse-cdn.com/v4/letter/m/59ef9b/32.png) [@MrSkinny](https://forums.speedlife.net/u/MrSkinny)\
**Post date:** [September 11, 2006, 7:50pm UTC](https://forums.speedlife.net/t/wtb-oem-nissan-cat-s13-s14/99808/1 "2006-09-11T19:50:34Z")

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i need one too heheh.

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**Author:** ![Lith](https://avatars.discourse-cdn.com/v4/letter/l/fbc32d/32.png) [@Lith](https://forums.speedlife.net/u/Lith)\
**Post date:** [September 12, 2006, 6:36am UTC](https://forums.speedlife.net/t/wtb-oem-nissan-cat-s13-s14/99808/2 "2006-09-12T06:36:40Z")

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the cat for the S14 is welded onto a downpipe. It’s quite different than the S13 one…

I have a cat and the downpipe but it’s from a 1997, so the bung for the O2 sensor is slightly wider, but you can easily fix that with a thread insert.