hollowman Posted February 3, 2014 Report Share Posted February 3, 2014 I have a 2005 Silverado 2500 HD that has true dual exhaust. Id like to install 2 single in/single out flowmaster super 10s but am concerned about back pressure. Would it be better for my engine to just install the flowmaster dual in/dual out 50 series HD? Quote Link to comment Share on other sites More sharing options...
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