# downpipe and catalytic converter

**URL:** <https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003>\
**Category:** NYSpeed Automotive\
**Created:** [February 8, 2011, 8:39pm UTC](https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003 "2011-02-08T20:39:26Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [February 8, 2011, 8:39pm UTC](https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003/1 "2011-02-08T20:39:26Z")

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this may be a dumb question but i confused myself so here it goes, right now i have no cat on my car, if i get a new downpipe does that come with a cat or are these 2 separate pieces i need to buy? please help clarify this for me thanks.

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**Author:** ![DougFresh](https://avatars.discourse-cdn.com/v4/letter/d/eada6e/32.png) [@DougFresh](https://forums.speedlife.net/u/DougFresh)\
**Post date:** [February 8, 2011, 9:33pm UTC](https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003/2 "2011-02-08T21:33:21Z")

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Look at the listing, if it says anywhere off-road use only, there is no cat, or a legal one for that matter. You can find them as two seperate parts or a package deal. I would call before placing any order just to confirm or post the link so someone could take a look and give you a yay or nay.

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**Author:** ![upstateclipse](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/upstateclipse/32/7348_2.png) [@upstateclipse](https://forums.speedlife.net/u/upstateclipse)\
**Post date:** [February 8, 2011, 9:38pm UTC](https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003/3 "2011-02-08T21:38:19Z")

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What vehicle is this for? Stock/aftermarket replacement? There really is no way to answer your question without more information.

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**Author:** ![Jam](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jam/32/7235_2.png) [@Jam](https://forums.speedlife.net/u/Jam)\
**Post date:** [February 8, 2011, 10:49pm UTC](https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003/4 "2011-02-08T22:49:28Z")

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it would really help to know what kind of car we are talking about

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**Author:** ![itsgoindown513](https://avatars.discourse-cdn.com/v4/letter/i/94ad74/32.png) [@itsgoindown513](https://forums.speedlife.net/u/itsgoindown513)\
**Post date:** [February 9, 2011, 5:28am UTC](https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003/5 "2011-02-09T05:28:09Z")

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2004 srt4 I’m looking to be putting the stock 2.25 inch exhaust back on but I need a cat and I don’t really know if I would need a new dp as well

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**Author:** ![upstateclipse](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/upstateclipse/32/7348_2.png) [@upstateclipse](https://forums.speedlife.net/u/upstateclipse)\
**Post date:** [February 9, 2011, 6:21am UTC](https://forums.speedlife.net/t/downpipe-and-catalytic-converter/209003/6 "2011-02-09T06:21:30Z")

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The stock dp has the cat on it if you can find one.
