K&n are more exspensive, but their worth it.and they come with a life time guarantee hence having to oil them now and then, but I see what miggs is saying about a none oiled one
Ps, I was only messing miggs. I'm not the type to get offended easily. And I totally see what your saying about the twin turbo, single turbos are so much more versatile and you can get more out of them where as the twin would really be left alone