I recently was given a 2005 Ford focus 2.0 manual from my brother with 150,000 on it. My brother kept it in relatively decent condition , had to put a new clutch in, master cylinder, change some gaskets, spark plugs etc. Anyways, I looked at the location of the maf housing pipe and the filter box, and successfully replaced it by putting k&n filter RC-2710 directly on to the maf sensor pipe with the hose clamp it came with, without having to move the pipe or add a spacer or anything like that, only remove the lifetime air filter box. The new filter fits like a glove. It pops on with a perfect seal that can be clamped down. The filter then sits inside the bumper and in my model the zx4 is guarded well enough from water and dirt for no further protection necessary. I thought this would be useful to anyone looking for a cheaper replacement option than cold air intake (65 dollar filter) and I have never posted in these forums before.