Second that one from Mark.
Removing the pipe is a pain. There are two locating lugs on it, where the screws hold it to the the slam panel. These lugs can be prised off the air pipe with a screwdriver and a double jointed arm !! This will make it easier, sorry possible, to remove.
These lugs clip into the pipe on three locating pins, it's just a matter of prising them off.
Jim.