[Dean]

I haven't looked at all those, but I would look for a divorced waste gate or extended bell mouth with mid-pipe cat.

With a Bell mouth, it should be like the Cobb, and not join until somewhere after the first bend, and have a tab that extends into the turbo outlet manifold to seperate the flows.

On a true divorced wastegate pipe, I would prefer the merge to be after the second bend before the midpipe junction and be as clean a merge as possible. Not Vishnu! Should also have the tab into the manifold...

I really like my BPM turbo-back w/divorced pipe, and think if I had bought it new, I would have gotten one more mount for the down pipe that would have kept it from hitting the cross member like it does occasionally. I'll proably tear it off, and put a Cobb "dent" in it at some point if I can't fab the missing mount. It is on the pipe, I just don't have the part that bolts to the frame.