I have a manifold with a t25 flange and a t3 turbo. Are there any flange adapters available to make this work? Ive tried searching but have come up with very inconclusive information.

 

I was thinking about the same thing for my HKS mani I got a while back (for sale btw), but then I found the other mani I have for sale w/a turbo. I had a friend willing to CNC the adapter, it'd be 3 plates - the middle basicly bolts to both, bolts coming from below go to top plate, which has cutouts for the on the bottom plate & vice versa.

The problem is that the bolt patterns are too close to make a simple adapter, and in my case I had a mani that needed studs or bolts going into the cast metal.