SPI Porsche 997 Turbo GT30R (http://www.dpccars.com/car-videos-09/03-30-09page-SPI-Porsche-997-Turbo-GT30R.htm) This cars turbo sounds great and very fast car.

and

Porsche 911 BTR500 (http://www.dpccars.com/car-videos-09/03-31-09page-Porsche-911-BTR500.htm) The NA engien maks great sounds.