I never realized how loud my Nissan GT-R is until I gave the keys to a friend and simply told him to drive it flatout! I chased the GT-R with another car so I was actually able to hear the Armytrix exhaust from behind and damn, it sounds INSANE! Subscribe! http://bit.ly/SubscribeToMarchettino Facebook: http://on.fb.me/Marchettino Instagram: @Marchettino Twitter: http://twitter.com/MarchettinoYT