Looks like RD Logics has one for the ntc3:
http://rdlogics.3dcartstores.com/Part-61255--One-Piece-Rear-Exhaust-Turbo-Pipe-Set-For-Ntc3_p_684.html
And THS:
https://thsracing.com/shop?olsPage=products/nitro-tc3-rear-exhaust-tuned-pipe-set
There are probably others. I just looked for those two...
Well, it kind of has to be that long as the pipe on it is longer than the "stock" one. Can't really move the pipe forward much, so the manifold is longer to work. Just really noticeable compared to the other one.
I wasn't saying it as a disparaging remark towards you, just letting you know as it could add to the problems of getting it working properly down the line. The CVEC pipes were good pipes for those that spent the money on them, but they aren't allowed for racing as they have moving parts inside...
The arrangement of what can be made out looks like an associated tc3, but with an aftermarket chassis and the way wrong header/pipe.
I'm guessing both were intended to be used with a side exhaust engine, which would fit better with the arrangement. Which is odd as rear exhaust engines tend to...