4u2 is right it would be loud !! i have played on the dyno with my 1150gs and moding the tubes can help but the air box itsself is not a restriction ,if you put bigger inlets on it does make a bit more power but not much and you need to add fuel to gain anything ,and the filters in your pics are s&bs which are not great proper k+ns are dearer for a reason, unless you are going to do internal mods the induction is not to bad ,even running velosity stacks on the throttle bodies makes a bit more peak but torque suffers,