Very impressed. Exactly what I was looking for and for a more than reasonable price. Totally brought out the natural sound of the five cylinder without being obnoxious. All the right amounts of scary intimidating growl and pop without the obnoxious aftermarket sound. If you didn't know better you'd think it was completely Factory and just the way it was meant to be by the Oompa Loompas in Germany who put the stuff together. This just unties their hands of the red tape and makes it the way it wanted to be. Good stuff highly recommended. If you want the loudest car around this is not for you but if you want to hear the engine without drawing the wrong attention but still Turning Heads while being classy this is it. Make it sound like a Huracan without sounding modified.