I am interested in knowing how many of you installed catback systems and how much of the exhaust they actually replaced? I noticed that everyone's idea of a catback system replaces the exhaust from the muffler back. Since on an Xterra that is in no way a catback system and can't possibly be a tuned exhaust since it left the y-pipe and everything intact, I am debating on just replacing my muffler. I don't mind paying for a catback exhaust as long as I get what I pay for. Since the Xterra cats are bolted directly to the exhaust manifolds, a catback would replace everything, including the y-pipe, with a tuned exhaust. Any thoughts?

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Gordon "The Warmonger" White