2 1/2 " TTI exhaust pipes
Are the engine mounts new? Is the engine centered? Was the car ever hit? There's many variables that could affect installation and clearances. I just did a completed TTI system install on my car and there were plenty of issues. See my thread:
http://www.forabodiesonly.com/mopar/showthread.php?t=65442
TTI's are a bastard to wrestle in, but once they're in, they fit great. If that make's sense....