Hey True Blue 4398. My Bullitt, #5203 has a wind noise and air whistle from the drivers window as well. It happens at speeds as low as 40 and as high as 75. I took it back to the dealer and was told this has been a problem on some 99-01 Mustang Coupes and Convertibles. Ford Engineers have yet to design a fix for the problem, but since the problem is already 3 years old they don't seem to be in much of a hurry. They have a TB out on it. I was pretty irked at the no fix solution considering the car cost so much so I called and e-mailed Ford Cutomer Service until they won't talk to me anymore. Then I got the BBB and Dispute Settlement Board (DSB) involved. There is no fix, but if we all complain enough, maybe they will come up with one. Happy holidays to all. God Bless America.