# Wtb: b series header.

**URL:** <https://forums.speedlife.net/t/wtb-b-series-header/58693>\
**Category:** Classifieds\
**Created:** [November 24, 2008, 11:59am UTC](https://forums.speedlife.net/t/wtb-b-series-header/58693 "2008-11-24T11:59:18Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Mr\_T](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mr_t/32/7454_2.png) [@Mr\_T](https://forums.speedlife.net/u/Mr_T)\
**Post date:** [November 24, 2008, 11:59am UTC](https://forums.speedlife.net/t/wtb-b-series-header/58693/1 "2008-11-24T11:59:18Z")

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Looking for an aftermarket b series header for my gsr, im not sure if b16’s or ls’s are the same but i believe b16’s are shorter.Need something asap.

post pics and a price if you have anything

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**Author:** ![deebo](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/deebo/32/5218_2.png) [@deebo](https://forums.speedlife.net/u/deebo)\
**Post date:** [November 24, 2008, 12:04pm UTC](https://forums.speedlife.net/t/wtb-b-series-header/58693/2 "2008-11-24T12:04:03Z")

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why cant you just use the cat instead of the test pipe?

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**Author:** ![Mr\_T](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mr_t/32/7454_2.png) [@Mr\_T](https://forums.speedlife.net/u/Mr_T)\
**Post date:** [November 24, 2008, 12:15pm UTC](https://forums.speedlife.net/t/wtb-b-series-header/58693/3 "2008-11-24T12:15:50Z")

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> [@95LS1t](#):
>
> why cant you just use the cat instead of the test pipe?

it wont bolt up to the exhaust, and the stock manifold is restricting some flow of the motor.

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**Author:** ![Birdman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/birdman/32/5186_2.png) [@Birdman](https://forums.speedlife.net/u/Birdman)\
**Post date:** [November 24, 2008, 12:22pm UTC](https://forums.speedlife.net/t/wtb-b-series-header/58693/4 "2008-11-24T12:22:15Z")

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I have a jdm 4-1 header i just took off my gsr motor in real good shape pm me if your interested