Subscribe! http://bit.ly/SubscribeToMarchettino - As you might have noticed, my BMW M3 E92 is stupidly loud, to say the least! One thing I didn't show you yet is that my Armytrix is a valvetronic exhaust, which means that with a remote I can decide when I want to make it shout or not. Instagram: https://instagram.com/marchettino Facebook: http://on.fb.me/Marchettino Twitter: http://twitter.com/MarchettinoYT