Originally Posted by BMW_E90
how does it sound when driving normal. im afraid of drone. i dont want any drone.
i think there's slight drone above 2500 rpm or so... but with the windows up and all doors closed, i hardly notice it... with the windows down, it would be more obvious...
i've ridden in a car with an ikon exhaust installed and doing this mod gives slightly louder sound but the drone is very similar i think....