It seems that baritone farting is the go-to way of circumventing noise regulations now. I had a 488 next to me the other day and that's exactly how I would describe the exhaust note. 458 sounds better by a huge margin.
You Forgot Range Rovers for some reason they are mostly black pretending their in a presidential cavalcade going no where in a hurry in the right lanes on freeways.
Ian I'm with you on this, recently one left the Pheasants nest petrol station, to me sounding like a moaning farting cow.