About to put my airbox in for the last time, and was thinking of doing some airbox mods while I was there. Running the standard box with a K&N to retain rideabilty...
Been looking at where the air first comes into the box and there's a bellmouth there. Is there any advantage in removing this? I would have thought the benefits from intake shape would be stuff all since it's b4 the filter... or does this shape help to maintain a more constant pressure in the box?
What if I fabricated a bigger bellmouth to go on the outside? Turn one up out of ally or teflon?
What about finding a filter that will cover the entire back of the airbox, off a car or something?
Should I just leave it standard? I'm happy to sacrfice 1 or 2 hp for the sake of rideability (I can always lose a couple of kg if I'm that worried about it!)