K&N PS-2004 Performanc Oil Filter for 91-06 Jeep Wrangler YJ, TJ, Unlimited & Cherokee XJ, MJ, ZJ, WJ, WK, XK with 2.5L I-4, 4.0L I-6 or V-8 Cylinder Engines

K&N high flow oil filters are designed to provide better engine performance by reducing oil filter restriction. K&N high flow oil filters are engineered to handle all grades of synthetic and conventional motor oils, including blends, and use a pleated filtration media that provides increased capacity and outstanding filtration. K&N's legacy in both racing and street performance finds its way into all of our filtration designs. That's why K&N is the #1 filter in NASCAR.