@zachavm I'm no pro either, but of course have read things in forums, but also have talked to my mechanic who is a certified Toyota / Lexus mechanic. They just said that turbo replacements aren't all that uncommon. Maybe it's just for those that drive them hard, but it seemed like something...
I felt like it was operating a little differently in the drive modes. It might just have been the conditions at the time I was testing it out. I had the turbo boost level display on the whole time. It seemed like eco mode was actually using the turbo more often than sport mode was. I figured...
Wow, 70mpg is amazing - I'm only getting 20.8mgp. LOL - I'm sure you meant 70mph, but just couldn't ignore it. :)
As for the whistle, I haven't noticed it. Will pay closer attention and am interested if others are experiencing the same.
Can you share pics of those missing pieces on the roof, and what they should look like? I have a feeling something is missing on my roof - I can see the edge of the sheet metal in two spots on my TRD Sport - bronze oxide.