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Need Help in making custom T3 O2 Housing

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1993TalonTsiAWD

20+ Year Contributor
339
6
Jan 26, 2003
Glendale Heights, Illinois
I have a BW S258 with the .70A/R hot-side. It has the 4bolt flange. I'm using the punishment racing budget series manifold. I'm also using the VRS 3in turbo back exhaust. I want to know what everyone else has done to make the housing. I will be dumping the external waste-gate to the atmosphere. I may someday route it into the main exhaust system. I'm just stuck on what bend I should be going for? If I have the correct bend in degrees I'm confident I can make the housing.

So what has everyone else done and where should I start? The manifold and VRS exhaust is designed to keep the O2 housing in the stock location. The VRS doe have the necking down pipe for the stock O2 housing, but I can cut that section out.

Thanks

Derek:dsm:

PS Explorer now has a nice spell check feature and it seems to work well.

Also once I get it done I plan to write a review on it and the turbo. Can't wait to see the S258 perform with link.

Pics soon to come
 
I built my own 02 housing. My turbo also has a 2.5" 4 bolt outlet, but I used an adapter and changed it to 3" Vband. I bought some 3" tubing, and cut it and welded it using the pie cut method.

This is what I came up with.

Works great and was cheap for me.
 

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Nice to see someone in the area running a BW. If You need any help just PM.
 
Is your turbine outlet 2.5" or 3"? Mine is 3" and I actually found a 3" o2 housing for a DSM bolt-on housing and had JMFab cut the inlet flange off and weld the 4 bolt flange on, fit perfectly. Pics:

My '90 TSi

Punishment does have 4 bolt o2 housings in 2.5" and 3", that should work as well.
 
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