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Old 03-23-2009, 04:30 PM   #6
88Vic
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Join Date: Feb 2008
Location: Overland Park, KS
Posts: 1,591
Re: 4.3 v6 sierra which muffler,

That's why i'm suggesting the quietest muffler possible lol.
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95 Sierra C1500
TBI 305, NV3500
10-Bolt 3.42 Open
Custom open air cleaner
Single 3", Thunderbolt cat, 18" d/o Magnaflow, 3.5" tips in front of the rear passenger tire.

New rig (not pictured): 86 Silverado C10 4bbl 350
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