Originally Posted by gatorfast
Trust me there is absolutely zero drone with the OEM mod. OP is the only person I heard of to report any drone with this mod. It sound probably 90% the same inside the cabin with only an increase in volume when you really get on it. Cruising on the highway it will sound the same as stock, no drone at all. The real increase in volume is on the outside of the car.
Thats the beauty of this mod. Outside it is much louder than stock and sounds aggressive but inside it sounds almost exactly the same.
There is a small amount of drone around 2000 rpm. U just have to listen for it. Op- great write up. This is why the forum was created.