I know this thread is a little old but I had to comment. I've had the Sport Comp 2 225/45-17's on for about 30k miles now and in the last month or so I SWORE my front wheel bearings were getting noisy. I ordered new spindle assemblies with new bearings for $100 a side and swapped them out. The noise was still there, crap. At the time my warranty was getting close to running out, I was at about 98k miles and if it wasn't the front wheel bearings I was concerned it might be the ring gear carrier bearings which would be a warranty item.
The noise changed with speed, not RPM. I even got the front wheels off the ground and had the wheels moving in various gears trying to isolate the noise stethoscope style but couldn't. I made an appointment at the dealer.
They looked at it and blamed it on the tires, saying minor cupping was causing road noise. There was some minor cupping on the inside edges but I wasn't convinced, I know what a noisy bearing sounds like and surely they were trying to get out of warranty work!
I made another appointment after a week, my warranty was running out fast, I requested to ride with the mechanic and wanted them to swap a new set of 17's on it from a new Sonic so we could do a before/after comparison with me in the car both times.
They agreed, we went on rides with my tires and the new tires and sure as sh!% it was was the tires. It was quiet as could be on the new tires. I felt a little sheepish having not only misdiagnosed a bearing noise but also spending $200 on wheel bearings I didn't need.
All said and done, with the new wheel bearings and two dealer visits it cost me around $400, grrr. I've had trucks with aggressive tread and know what that sounds like but man I really got this one wrong, I am happy the transmission is fine though. Lesson learned.