A few people have asked about exhaust drone after this mod. I can tell you there is none whatsoever. Here are some more pre and post vids (just click on the images):
OEM start-up:
Mod start-up:
OEM driving:
Mod driving:
Mod 30 mph
Mod 40-60
Mod 30-50
The sound isn't great but at least you get an idea.