[ElBoxo]

i have had the k&n drop-in filter in for about 2k ml. no noticeable difference but it made me want a CAI WAYYYY more. better to just wait and get the cai rather than spend money on drop-ins. i have a perrin short ram with a foam filter coming on wednesday. lets the air flow better then a gauze filter

[kimchiisbad]

I don't feel much difference with K&N drop-in. Only thing noticeable is it is louder when you rev it up.