I know what you mean guys as I swore by k&n for many years but on my focus it seams to clog up way too much and yes I know its doing its job but opening up the airbox every few weeks is a pain it arse big time to brush the grooves clear, induction kits on NA cars is nearly all about noise and looks plus im too old for that bollocks, so im leaning towards pipercross as they mention the problem I am having with k&ns in their advert so lets see what £35 brings