Originally Posted by ///1M
When you say "too silent," is it quieter than stock?
Is there any drone to speak of?
Yes, it is much quieter than stock. It sounds like a 120i or so
Open it sounds a bit louder than stock. But not too much, like the evolution.
I can't say if the drone is still there, because it's not my car.
I think you can eliminate the drone, when you change your midpipe (n54->n55)