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Re: 4.3 v6 sierra which muffler,
If you're gonna dump it, go with a turbo muffler from Summit or Cherry Bomb or Dynomax.
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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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