Thread: mufflers for 5.3 with headers
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Old 05-15-2017, 10:33 PM   #9
Flysocal
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Join Date: Jun 2015
Location: Glendale
Posts: 414
Re: mufflers for 5.3 with headers
I went with flowmaster delta 40 with a crossover and side dump. Haven't run the truck yet but I'm optimistic.
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