Sorry. Should have been more specific. It seems Referable to the side mirror, I assume. I would also assume the crossbar increases resistance and turbulence but will consider. Thanks
I joined specifically to respond to this maddening wind noise issue.
Per Lexus protocol, met and drove with my service department manager who informed me that the GX550's boxy upright shape predisposed the vehicle to such wind noise (which I should have recognized during my test drive). This...