I think wind noise is great, and even at 150+ MPH you hear it but it is okay. I have a 2000 GTS with no mufflers, so it is only slightly louder than a stock exhaust. Everyone's opinion and perception will be different, albeit the wind noise for me is TOTALLY acceptable and I use my GTS as a daily driver too
Over 80 MPH, I think it is really nice and agree that 100 feel like 60 MPH, cause the noise just isn't there driving in my GTS @ 80 MPH+
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