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Re: 4.3 v6 sierra which muffler,
Which is why you should go with a turbo style muffler since they're the most quiet performance mufflers you can buy. It will sound deeper, and it will be louder depending on how much smaller it is than the factory muffler. You won't need a small muffler as it'll be noticably louder when it's dumped versus exiting out back.
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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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