Originally Posted by v6moddedmustang View Post
They don't sound too much different to me... cool though
One think my little lady said to me today (first real day he heard my car since they were installed) was "what did you do?" she was standing on my porch about 10 feet away and said it was vibrating the porch =).
It does not really increase in volume as much as it does depth and fullness of sound.
I like them.