# 1st Generation Audi S4 exhaust manifold & more

**URL:** <https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899>\
**Category:** Builds\
**Created:** [November 9, 2009, 6:45am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899 "2009-11-09T06:45:21Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![Carbonfiberhooded](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/carbonfiberhooded/32/7608_2.png) [@Carbonfiberhooded](https://forums.speedlife.net/u/Carbonfiberhooded)\
**Post date:** [November 11, 2009, 12:39pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/21 "2009-11-11T12:39:18Z")

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Looks great Matt!

I should have you make me a exhaust mani so I can throw that DNP in the trash.

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**Author:** ![LowlyOilBurner](https://avatars.discourse-cdn.com/v4/letter/l/a6a055/32.png) [@LowlyOilBurner](https://forums.speedlife.net/u/LowlyOilBurner)\
**Post date:** [November 27, 2009, 2:50pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/22 "2009-11-27T14:50:59Z")

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Got the downpipe and dumptube all done, mounted the intercooler as well. The downpipe is 4inch diameter .065wall 304 stainless steel. The rest of the exhaust will be 4inch diameter .065wall aluminum.

Here are a bunch of pics:

Intercooler mounted:

 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/ic.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/ic.jpg)

Downpipe all tacked up:

 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/dptacked.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/dptacked.jpg)

Downpipe all welded up:

 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/finishedwelddp1.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/finishedwelddp1.jpg)  
 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/finishedwelddp.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/finishedwelddp.jpg)

Everything installed on the motor:

 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/100_0093.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/100_0093.jpg)  
 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/installed.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/installed.jpg)  
 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/100_0094.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/100_0094.jpg)  
 ![http://img.photobucket.com/albums/v406/LowlyOilBurner/100_0095.jpg](http://img.photobucket.com/albums/v406/LowlyOilBurner/100_0095.jpg)

All that’s left, fabrication-wise is the intercooler piping, weld in the O2 bungs on downpipe, and finish the exhaust. Intercooler piping is next on the list, once thats done, motor comes out and off to the machine shop with that and the head.

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**Author:** ![turbociv](https://avatars.discourse-cdn.com/v4/letter/t/dfb087/32.png) [@turbociv](https://forums.speedlife.net/u/turbociv)\
**Post date:** [November 27, 2009, 3:25pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/23 "2009-11-27T15:25:34Z")

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:naab:

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**Author:** ![Jeller](https://avatars.discourse-cdn.com/v4/letter/j/bc8723/32.png) [@Jeller](https://forums.speedlife.net/u/Jeller)\
**Post date:** [November 27, 2009, 3:47pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/24 "2009-11-27T15:47:05Z")

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God damm :bigclap::bigclap:

Looks amazing matt :tup:

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**Author:** ![paulysplitx](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/paulysplitx/32/7320_2.png) [@paulysplitx](https://forums.speedlife.net/u/paulysplitx)\
**Post date:** [November 27, 2009, 8:47pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/25 "2009-11-27T20:47:21Z")

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Looks great. Good work

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**Author:** ![spinall4](https://avatars.discourse-cdn.com/v4/letter/s/e47774/32.png) [@spinall4](https://forums.speedlife.net/u/spinall4)\
**Post date:** [November 28, 2009, 4:54am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/26 "2009-11-28T04:54:16Z")

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wow :tup: cant wait to see this thing run!

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**Author:** ![IanK](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/iank/32/5016_2.png) [@IanK](https://forums.speedlife.net/u/IanK)\
**Post date:** [November 28, 2009, 7:35pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/27 "2009-11-28T19:35:43Z")

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Looks dope man, your def a hell of a fabricator.

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**Author:** ![EvilJay](https://avatars.discourse-cdn.com/v4/letter/e/a5b964/32.png) [@EvilJay](https://forums.speedlife.net/u/EvilJay)\
**Post date:** [November 28, 2009, 9:20pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/28 "2009-11-28T21:20:47Z")

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put it into production!

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**Author:** ![Quattro\_Krant](https://avatars.discourse-cdn.com/v4/letter/q/ac91a4/32.png) [@Quattro\_Krant](https://forums.speedlife.net/u/Quattro_Krant)\
**Post date:** [November 29, 2009, 3:52am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/29 "2009-11-29T03:52:54Z")

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Make me one for my 3b

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**Author:** ![LowlyOilBurner](https://avatars.discourse-cdn.com/v4/letter/l/a6a055/32.png) [@LowlyOilBurner](https://forums.speedlife.net/u/LowlyOilBurner)\
**Post date:** [November 29, 2009, 6:50am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/30 "2009-11-29T06:50:53Z")

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> [@Quattro Krant](#):
>
> Make me one for my 3b

Ok.

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**Author:** ![budsdubbin](https://avatars.discourse-cdn.com/v4/letter/b/d2c977/32.png) [@budsdubbin](https://forums.speedlife.net/u/budsdubbin)\
**Post date:** [November 29, 2009, 9:14am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/31 "2009-11-29T09:14:31Z")

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dawm those beads are thin. What are you using?

Oh and did you get the SS tubing from vibrant?

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**Author:** ![Haenszel](https://avatars.discourse-cdn.com/v4/letter/h/e68b1a/32.png) [@Haenszel](https://forums.speedlife.net/u/Haenszel)\
**Post date:** [November 29, 2009, 9:40am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/32 "2009-11-29T09:40:08Z")

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stainless tig’s are always thin.

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**Author:** ![neonglh](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/neonglh/32/4951_2.png) [@neonglh](https://forums.speedlife.net/u/neonglh)\
**Post date:** [November 29, 2009, 10:08am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/33 "2009-11-29T10:08:08Z")

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Looks nice. My only concern is the WG being a 90 degree or less angle from the runners. Any concern of boost creep with that setup?

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**Author:** ![LowlyOilBurner](https://avatars.discourse-cdn.com/v4/letter/l/a6a055/32.png) [@LowlyOilBurner](https://forums.speedlife.net/u/LowlyOilBurner)\
**Post date:** [November 29, 2009, 10:47am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/34 "2009-11-29T10:47:37Z")

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> [@neonglh](#):
>
> Looks nice. My only concern is the WG being a 90 degree or less angle from the runners. Any concern of boost creep with that setup?

Where should it go?  
Edit: I’m not worried about it, plus, I’m most likley not going to be pushing that 42R to it’s limits.

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**Author:** ![cougarspeed](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cougarspeed/32/7468_2.png) [@cougarspeed](https://forums.speedlife.net/u/cougarspeed)\
**Post date:** [December 4, 2009, 11:30am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/35 "2009-12-04T11:30:14Z")

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Man how did I miss this! Pics of entire car plz. Shits hot.

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**Author:** ![dawn](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dawn/32/7209_2.png) [@dawn](https://forums.speedlife.net/u/dawn)\
**Post date:** [December 5, 2009, 4:22pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/36 "2009-12-05T16:22:24Z")

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> [@cougarspeed](#):
>
> Man how did I miss this! Pics of entire car plz. Shits hot.

x2.

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**Author:** ![boardjnky4](https://avatars.discourse-cdn.com/v4/letter/b/96bed5/32.png) [@boardjnky4](https://forums.speedlife.net/u/boardjnky4)\
**Post date:** [December 5, 2009, 4:30pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/37 "2009-12-05T16:30:42Z")

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> [@LowlyOilBurner](#):
>
> Where should it go?  
> Edit: I’m not worried about it, plus, I’m most likley not going to be pushing that 42R to it’s limits.

If you’re gonna run lower boost your wastegate needs to flow really well.

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**Author:** ![Minglor](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/minglor/32/7373_2.png) [@Minglor](https://forums.speedlife.net/u/Minglor)\
**Post date:** [December 5, 2009, 4:31pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/38 "2009-12-05T16:31:21Z")

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Fap.

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<div class="post-metadata">

**Author:** ![LowlyOilBurner](https://avatars.discourse-cdn.com/v4/letter/l/a6a055/32.png) [@LowlyOilBurner](https://forums.speedlife.net/u/LowlyOilBurner)\
**Post date:** [December 5, 2009, 6:14pm UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/39 "2009-12-05T18:14:33Z")

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> [@boardjnky4](#):
>
> If you’re gonna run lower boost your wastegate needs to flow really well.

20psi to start, probably take it up to 30-35psi after break in.

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**Author:** ![n20junkie](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/n20junkie/32/7396_2.png) [@n20junkie](https://forums.speedlife.net/u/n20junkie)\
**Post date:** [December 6, 2009, 9:30am UTC](https://forums.speedlife.net/t/1st-generation-audi-s4-exhaust-manifold-more/75899/40 "2009-12-06T09:30:13Z")

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I don’t say this very often around here. GREAT WORK!!!

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