# Stock Exhaust Size.

**URL:** <https://forums.speedlife.net/t/stock-exhaust-size/85606>\
**Category:** SON240sx Automotive\
**Created:** [May 9, 2005, 6:54pm UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606 "2005-05-09T18:54:38Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![Stock240](https://avatars.discourse-cdn.com/v4/letter/s/a698b9/32.png) [@Stock240](https://forums.speedlife.net/u/Stock240)\
**Post date:** [May 9, 2005, 6:54pm UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/1 "2005-05-09T18:54:38Z")

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What is the size of the piping on a stock s13 exhaust system? Couldn’t find it anywhere,

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**Author:** ![absolum](https://avatars.discourse-cdn.com/v4/letter/a/e47c2d/32.png) [@absolum](https://forums.speedlife.net/u/absolum)\
**Post date:** [May 9, 2005, 7:16pm UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/2 "2005-05-09T19:16:54Z")

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2 1/4

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**Author:** ![syd\_mysta](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/syd_mysta/32/5488_2.png) [@syd\_mysta](https://forums.speedlife.net/u/syd_mysta)\
**Post date:** [May 10, 2005, 9:18am UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/3 "2005-05-10T09:18:57Z")

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stock piping is 2 1/4 inch? no way it looks much smaller than that.

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**Author:** ![S14\_Silvia](https://avatars.discourse-cdn.com/v4/letter/s/ed655f/32.png) [@S14\_Silvia](https://forums.speedlife.net/u/S14_Silvia)\
**Post date:** [May 10, 2005, 11:10am UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/4 "2005-05-10T11:10:09Z")

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maybe before all the bending that leaves it looking like a grimey pretzel…

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**Author:** ![DarkForceJackal](https://avatars.discourse-cdn.com/v4/letter/d/b38774/32.png) [@DarkForceJackal](https://forums.speedlife.net/u/DarkForceJackal)\
**Post date:** [May 10, 2005, 11:17am UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/5 "2005-05-10T11:17:02Z")

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It should be 2" in diameter in stock form if i’m not mistaken.

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**Author:** ![Jesse](https://avatars.discourse-cdn.com/v4/letter/j/c77e96/32.png) [@Jesse](https://forums.speedlife.net/u/Jesse)\
**Post date:** [May 10, 2005, 11:28am UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/6 "2005-05-10T11:28:09Z")

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i measured my stock one a couple years ago and it was slightly under 2in

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**Author:** ![syd\_mysta](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/syd_mysta/32/5488_2.png) [@syd\_mysta](https://forums.speedlife.net/u/syd_mysta)\
**Post date:** [May 12, 2005, 10:47pm UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/7 "2005-05-12T22:47:00Z")

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> [@Jesse](#):
>
> i measured my stock one a couple years ago and it was slightly under 2in

Yea that sounds alittle more like. My 2 1/2 inch dwarfs the stock piping before it.

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**Author:** ![SHIFT\_KA24DET](https://avatars.discourse-cdn.com/v4/letter/s/b9bd4f/32.png) [@SHIFT\_KA24DET](https://forums.speedlife.net/u/SHIFT_KA24DET)\
**Post date:** [May 12, 2005, 10:49pm UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/8 "2005-05-12T22:49:12Z")

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The piping is 2" and drops down to as small as 1.6" through the bends.

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**Author:** ![Stock240](https://avatars.discourse-cdn.com/v4/letter/s/a698b9/32.png) [@Stock240](https://forums.speedlife.net/u/Stock240)\
**Post date:** [May 13, 2005, 12:48pm UTC](https://forums.speedlife.net/t/stock-exhaust-size/85606/9 "2005-05-13T12:48:42Z")

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Thanks guys.