My springs are moved in 3" and when I called TTI about their tailpipes I was told that their 3" tailpipes would not work on any car with a spring relocation kit.
Well, that probably rules out TTI then. Mine are also moved in that far. Although I forgot to mention I have a fuel cell in the trunk now, so clearance to the stock tank is not an issue if I want to move the mufflers towards the center a few inches. I don't know how far apart the stock mufflers were - I got the car as a stripped shell.
I suppose can continue towards the bumper with mandrel bends, my trusty Lisle pipe expander tool and 3/4" impact wrench. But I have a wrist problem likely requiring surgery that really limits my ability to use a heavy impact this year.