Exhaust/performance question

[Zsolt Kovacs]

I know some of you have changed your exhaust on your turbo charged 5k-200. I
was hoping to get some answers from those who have done so.

I am considering taking the cat out of my 88 5k tq, since it is not illegal
here in Alberta, and I am wondering what kind of a performance increase it
would get me (if any) by doing that. Since I'm at it I was also wondering how
much more performance I'd get if I changed the entire exhaust to a larger
diameter more free flow system. Where would I see improvement?

Thanks,
  Zsolt