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-   -   Need help identifying downpipe flange (https://www.miataturbo.net/diy-turbo-discussion-14/need-help-identifying-downpipe-flange-91233/)

fpscolin 11-15-2016 06:25 PM

Need help identifying downpipe flange
 
2 Attachment(s)
As the title suggests; I bought a custom made 2.5" straight pipe exhaust system with a flex pipe connecting to a downpipe. The PO said that the flange in the photo (downpipe) was connected to an elbow that led to the turbo.

My turbo came off a 240, and has an elbow that I won't be able to use as the flange is different. I'll have to get something custom made when the system goes on the car in a few weeks, but I could use some help identifying the downpipe flange. I'll probably end up cutting up the elbow I have and creating a Frankenstein-pipe.

fpscolin 11-15-2016 06:33 PM

If it helps, here is a photo of where the downpipe WOULD connect to the elbow if they matchedhttps://cimg3.ibsrv.net/gimg/www.mia...b021aed796.jpg
https://cimg4.ibsrv.net/gimg/www.mia...a76ac562da.jpg
up (as well as the turbo-to-elbow, in case anyone has suggestions as to how to make the new elbow)

mmmjesse 11-15-2016 06:35 PM

Flyin miata


https://www.flyinmiata.com/media/cat...g_2376_1_1.jpg

fpscolin 11-15-2016 06:37 PM


Originally Posted by mmmjesse (Post 1374840)


Wow, great news! Hopefully they sell an elbow for the T25/28. Thanks a lot :)

borka 11-16-2016 01:14 AM

they do sell just the elbow, its pricey.
https://www.flyinmiata.com/turbine-o...r-section.html

mmmjesse 11-16-2016 09:25 AM

you need the elbow AND the manifold.

fpscolin 11-16-2016 09:50 AM


Originally Posted by borka (Post 1374937)
they do sell just the elbow, its pricey.
https://www.flyinmiata.com/turbine-o...r-section.html


Yup, f'n ridiculous for a tiny piece.

fpscolin 11-16-2016 09:50 AM


Originally Posted by mmmjesse (Post 1374974)
you need the elbow AND the manifold.


Already have a BEGI manifold

mmmjesse 11-16-2016 09:59 AM


Originally Posted by fpscolin (Post 1374980)
Already have a BEGI manifold

Begi manifold will place the turbo differently and wont allow the downpipe to line up. If you want it to bolt right up, then you will need the FM manifold and turbo elbow.

fpscolin 11-16-2016 10:14 AM


Originally Posted by mmmjesse (Post 1374982)
Begi manifold will place the turbo differently and wont allow the downpipe to line up. If you want it to bolt right up, then you will need the FM manifold and turbo elbow.

Yeah, no way I'm spending $3XX CAD for an elbow. Going to go the custom fab route, I have a friend who has lots of exhaust hacking experience so we'll figure something out. Thanks for the advice

borka 11-16-2016 10:19 AM

you already have turbo and begi manifold, so you can buy just the downpipe from begi and be set.

borka 11-16-2016 10:22 AM

I am not sure how this would fit, but it looks to be what you are looking for
orientation seems somewhat correct.

New Stainless Steel 1994-2005 Mazda Miata T25/T28 Turbo Outlet Elbow 2.5 inch | eBay

https://cimg9.ibsrv.net/gimg/www.mia...c5952dd101.jpg

shuiend 11-16-2016 11:42 AM


Originally Posted by fpscolin (Post 1374979)
Yup, f'n ridiculous for a tiny piece.

It is a cast piece of metal. It is far above in quality what an exhaust shop will hack together. So of course it is expensive.


Originally Posted by mmmjesse (Post 1374982)
Begi manifold will place the turbo differently and wont allow the downpipe to line up. If you want it to bolt right up, then you will need the FM manifold and turbo elbow.

If he has the old style Begi log then the turbo is in exactly the same place.


Originally Posted by borka (Post 1374988)
I am not sure how this would fit, but it looks to be what you are looking for
orientation seems somewhat correct.

New Stainless Steel 1994-2005 Mazda Miata T25/T28 Turbo Outlet Elbow 2.5 inch eBay

It will not work. Look and the angle of the flange on the ebay piece compared to the FM piece.


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