There is a thread on this forum here somewhere (real helpful huh? ;-]) Anyway I think the muffler was a Magna Dynflo and there were two series one was a 60 and the other was a 70. The 60 was quite a bit louder than stock. The 70 was slightly louder than stock but still added a bit of tone. The guy posted videos on youtube so you can hear them. I think the other comment was the 60 would add quite a bit of cabin noise at highway speeds while the 70 didn't. Shame as the 60 sounded real good but I'm turning into a old fart so would go for the 70 myself
Oh and I believe they didn't mess up anything ecu wise so they just bolted on and nothing changed other than the sound ie no check engine stuff.
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