My 2000 mustang GT 5 speed has a slp loudmouth exhaust with a mac H pipe. I was considering getting a new mid pipe. What mid pipe is better, H or X and what is a good company to get it from?
You have one of the better options to be had. An X pipe from Bassani or Magnaflow will probably gain you 1-2hp and change your exhaust to a raspy note but I really think you have a fine setup.