Thread: 4.3 v6 sierra which muffler,
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Old 03-23-2009, 04:37 PM   #7
Slowhite
formerly blazer92
 
Join Date: Feb 2004
Location: folsom,ca
Age: 26
Posts: 217
Re: 4.3 v6 sierra which muffler,
go with spintech, i have one and love it. you can you tube v6 mufflers to find clips of some
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