To remove

WARNING: This page is about a different car, the 2005 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Raise the car.

Fig 1: Illustration For Step (3 And 4)
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the lower engine cover.
Cut the front pipe between the flexipipe and the silencer at 87 mm (see illustration). Cut the pipe at right-angles using 83 95 667 PIPE CUTTER/EXHAUST SYSTEM .
Undo the nuts to the catalytic converter and remove the front pipe.