During the 2015 Concorso d Eleganza Villa d Este, Zagato have revealed the Maserati Mostro, a limited edition retro racer paying tribute to the Maserati 450 S. Video shows the car starting up its naturally aspirated 4. 7 liter V8 engine and revving, producing an incredible sound Follow me also on: Facebook: Google+: Twitter: 2nd Car Channel: