Have updated the post with Eka's (lib33rty) HKS Silent Hi-Power catback installed today by the very gracious Phat GT.
A big thanks and much appreciation to Michael. Hope that case of beer we gave you doesn't turn you into a raging alcoholic.
Model MY05 GT
Exhaust HKS Silent Hi-Power
Member lib33rty
Link http://www.youtube.com/watch?v=md3f6OGogHk