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Hey!


Have any of you all used the Flowmaster exhaust system for the Duramax? Unclear if this is 4" all the way back or not. If so, how's the in-cab exhaust noise compared to stock?


The reason I ask about FlowMaster is that I had FlowMaster 40-series on my 95 gasser. I loved them and my wife HATED them, which of course made me love them that much more.



http://www.flowmastermufflers.com/cgi-bin/flowmaster/17349.html
 

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A friend has that system on his 03 powerstroke. If his truck is any indication of how a DURAMAX would sound your in for a real treat. The resonance is pretty loud in the 1800-2100 sweet spot...before and after that it just has a good throaty rumble.
 

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I road in a truck that has a Flowmaster exhaust on it. It did add some sound in the interior but not very much. I am curious to see what it would be like when pulling. Unfortunately I don't really have a whole lot to compare it to.
 
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