mine has that tinny sound until it fills with the water my engine makes. It has been doing the tinny sound less and less, so maybe it is getting all carboned up and not vibrating as much. The sound has improved since the exhaust was done around last Christmas.
Open header is OMG loud, but it sounds SICK
that would make sense... makes you wonder... is the material that magna and flow use.. that much different that magna doesnt have the tinny... heck i wonder what a borla would sound like.
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2007 GMC Yukon SLT Daily
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