Mr Tidy said:Most V12s and V8s.
I'd add the V10 M5 to the list - I followed one a few miles out of my way once just so I could listen to it! :lol:
Obviously the S54.
Bike wise the best I had was a KH500 with Allspeed expansion chambers - it sounded just great (although I don't think my neighbours agreed).
buzyg said:When they first came out I had a fun, drive what you brung,, day Prodrives facility. There was a V10 M5 there. It sounded like a ww2 fighter, balls out down the main straight of the power circuit.