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Discussion Starter #1
Let's say I were to pick a certain turbo for my application, for example a gt28rs.

How would I pick a cast manifold that had the right flange for my turbo of choice?

Likewise, how would I get a downpipe with the correct flange?

I know a lot of budget builds use hf or cast manifolds, but I don't want my turbo selection be be dictated by my manifold.
 

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the gt25rs has a t25 bolt pattern.

premade downpipes sometimes work, each one is different because not all setups are the same. the only way for someone to make a downpipe that fits perfect is for them to have your car or your manifold and turbo so they can get it right. anything else is a chance.
 
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