The highly vaunted P-51/F-51 w/ Rolls Merlin V-12 doesn't sound all that great at an idle....like a pop corn machine kinda.' But at speed.........well if You've ever witnessed a P-51 making a hi speed, lo pass on the deck....& i mean live, not memorex.
A car that sounds like its missing cylinders is the Subaru WRX. I've heard a couple that have been fitted with exhaust systems that get rid of the plop, plop, plop sound. Like Subies or not, they DO perform. The original WRX, 1.8 litre, box stock, 0-60 mph, 5 seconds. Admirable, but i cant stand plastic wheel wells & headlights.
I wouldnt at all obect to a V-12 note, properly exhausted, coming from a 68-70 B bod.