I had one of these on my VK commodore many years ago. I was doing a cleanup of paperwork and I stumbled accross the old sales catalogue. Wonder if there still any good? In the day it was pretty awesome. Since the VK was leaded I didn't have a cat and it was just straight through 2.5" with no mufflers just the supertrapp. The catalogue I have is obviously dated. See below for a newer one. Supertrapp Exhausts I wonder if anyone has ever put them on a zed.