I have the Borla dual exhaust on my 370Z (I have one on my 350Z too). I experienced some of that raspy sound on decel right after the exhaust was installed.
Now I don't hear it. I don't know if that is becuase I tune it out or that it's gone away. I'll have to listen closer to see if it's still there. I do love to hear the sound of the exhaust though. Not quite as deep of a tone as the Borla on my 350Z, but it still has a nice tone/sound.
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2003 Daytona Blue 350Z Touring/Nismo
2009 Platinum Graphite 370Z Touring/Sport (Sold)
2009 BMW 135i/Dinan Stage 2 software upgrade/M3 suspension piecies/Koni Sports/ETS FMIC/Alufelgen SF-71 wheels
Last edited by ZPirate; 01-29-2010 at 10:54 PM.
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