K&N RU-5171HBK Universal Washable Air Filter - Dry Synthetic, Oil-Free, 4 Inch Flange, 8 Inch Height, Round Tapered Shape for Cars, Trucks & SUVs - Improves Engine Performance & Airflow

K&N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. These versatile filters are constructed with ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. Available in round, tapered (cone-style), and oval designs, K&N offers thousands of clamp-on filters in a multitude of shapes and sizes that cater to many precise applications. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.

ENGINEERED POWER State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

2 LAYERS OF PROTECTION Dual layers of dry synthetic filter media are designed to block and trap harmful contaminants

RUGGED CONSTRUCTION K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime

CLEAN ONCE EVERY 3 YEARS Engine air filter only needs cleaning every 50,000 miles under normal highway driving conditions (3 years based on the average miles driven per year of 15,000 miles)

EASY INSTALLATION K&N Air Filters are ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains

UNIVERSAL FITMENT Designed for use on a variety of applications

REDUCES WASTE Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills

NO-HASSLE WARRANTY 1-Year Limited Warranty

MADE IN USA K&N Air Filters are proudly made in the USA for trusted quality & reliability