Noise is a Fine Line ~ It's More like a Certain Resonating Vib that happens more on Certain Asphalt Types - Only happens for a Second as You Pass through Certain MPH
One has to be Looking for It : read : ( Feeling _ Checking _ Listening ) before You would even Notice it ..
That said Weird Item that come with Remove is a Lower MPG @ 80 Mph Mark and Up
Now My Newer Rims aren't as Aero , so this might Impact Mpg also Air Disturbances around sides Vehicle . . Besides Revolving Drag Effect ..
Other Please Chime In ..
Right Now TN has Switch over to Winter Blend and It Sucks @ 28 Mpg today where I Normally get 32 - 33 . . Mild Outside Temps 53 Degrees . .