Originally Posted by Rik-330
I also have a Pipercross filter replacement and bit of an experimental ram air tube (and air scoops). No idea if any of it makes much difference ... was more just for something to tinker with
Did you feel any difference? I drove around 12,xxx miles with the K&N and it was pretty dirty. So I replaced my K&N filter with the paper filter until i clean it. Or maybe get the pipercross filter. But i did notice a difference in swapping the filters. Its not as sluggish as it was before.