# S13/s14 flanges for 3" cat

**URL:** <https://forums.speedlife.net/t/s13-s14-flanges-for-3-cat/118325>\
**Category:** SON240sx Automotive\
**Created:** [September 9, 2008, 12:47pm UTC](https://forums.speedlife.net/t/s13-s14-flanges-for-3-cat/118325 "2008-09-09T12:47:07Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![R33](https://avatars.discourse-cdn.com/v4/letter/r/5f8ce5/32.png) [@R33](https://forums.speedlife.net/u/R33)\
**Post date:** [September 9, 2008, 12:47pm UTC](https://forums.speedlife.net/t/s13-s14-flanges-for-3-cat/118325/1 "2008-09-09T12:47:07Z")

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are they the same ? the angle of the flanges?