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Old 02-27-2015, 11:52 PM   #2
y5mgisi
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Join Date: Jun 2006
Location: Portland, OR
Posts: 2,642
Re: thoughts on my exhaust design on my 87 GMC crew cab long bed dually

Sounds a bit over kill and overly loud, but not too bad. I think dual 2.5" would probably be better. And i bet you would be happier with 50 series.
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