I've changed this pipe on my own car and all I can say that if you live in an area where they put salt on the roads in the winter there is no way of doing this without dropping the front exhaust and possibly the intake. The screws/nuts gets seized up.
Pics of my repair:
https://www.instagram.com/p/Bxgnp5YIUbI/?utm_source=ig_web_copy_link