Check it for corrosion. Fit will be ok with them most likely. X pipes are typically raspier than H pipes. Get on youtube and listen to some clips of those mufflers with X and H pipes.
Pretty much all H pipes sound the same, same with X pipes.
2000 Mustang GT Steeda build #48. Bolt ons, suspension, Novi 2000.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.