Yes they are darker than the spoon mirrors. Don't know if they are darker than the mugen ones. I'm not sure if they are gold or if it's just the camera over compensating the blue. I will message them if they have gold ones to confirm.
Here is a pretty nice alternative to the less budget friendly Mugen mirrors. Had the chance to do a review on them and I have to say they are really nice for $170. Any of you guys have these mirrors? How do you like them?
I also go indepth on how to replace the side mirrors with a little less...
I watched that video. His method you have to disassemble the air vents and many people are not comfortable with it. Some have even reported the vent arm fell off while they tried. The hook is just a suggestion.
Exhaust notes are all subjective and you are entitled to your own opinion and everyone enjoys their car differently. My car is on my hoist most of the time. I enjoy the views from below and let me tell you the view is great. Every dollar well spent my friend.