Thread: Best Muffler for a LSX?
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Old 07-17-2013, 09:31 AM   #1
67-72trucks
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Join Date: Jun 2006
Location: Michigan
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Cool Best Muffler for a LSX?
Ready to put exhaust on my 5.3. Running Doug thorley headers. What are the best sounding muffler? Flowmaster original 40 series or magnaflows?
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