I have a standard factory cat back exhaust for an 05 vz Monaro. The exhaust is in very good condition and is free to a good home. Please note its collection only, no faffing about posting it, as it weighs quite a bit.
Can't you stick it in your loft or something? I think given time someone may pay a half decent price for an original exhaust when these cars and their spare parts are even rarer...