K&N Filter
JK Enthusiast
Joined: Dec 2006
Posts: 127
Likes: 0
i have the replacment filter with holes in the air box. i saw very lil improvment but still saving on gas. but i am planning on getting the cold air intake system once the new exhuast is in. eitherway cant go wrong with k&n
JK Freak
Joined: Jan 2008
Posts: 518
Likes: 0
From: Columbia, SC
I had a drop in on my RAM 1500 and I didnt noticed much of a differance in MPG, but I did save money on the filter replacement. I am not planning on putting one in my JK, I am rather going with a CAI.