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Message: <blockquote data-quote="MGD" data-source="post: 1224907" data-attributes="member: 25439">Right, but people already noted that your exhaust work did not fix the problem sound. Your two choices to fix the sound are to make it whisper quiet (much like a dynomax muffler can do), or you can make the tone deep with high pitch cancellation (Flowmaster 50 series). Borla has gone the polyphonic route..... much like tuning an organ. They have incorporated different pipes and lengths to tune the sound.There is MUCH more R&D that needs done to make an acceptable ecoboost sound.</blockquote>