Re: Just added an 05-06 Nav to my 03 H2 now about XM...
I live near the Edelbrock dist center so I did will-call and paid a muffler shop $90 to install it. I think Edelbrock is getting rid of some excess Cat Back stock because this is the same system that sold for $400 or so last year, you are buying it directly from the manufacturer so it's pretty much worry-free!
Had it on for a month now and no problems, sounds great!
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