K&N Engineering

An enclosed air box design helps protect the filter and inlet air from the heat of the engine bay, and the air box lid allows for quick and easy access to the filter without tools. A high-density...

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired...

This cold air intake system is engineered specifically for some Ford F150 V8 5.0L models, and includes a larger than stock fresh air scoop behind the front grill to increase airflow to the...

Gain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel-bent aluminum intake tube. Each system is paired with a washable, reusable High-Flow Air...

The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions. They are made from durable polyester material...

K&N 99-0533 is an 8 ounce squeeze bottle of air filter oil. K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N air filter elements providing...

K&N Replacement Air Filter for some Harley Davidson Sportster 883 & 1200 models with Screamin' Eagle Upgrade. K&N lifetime replacement air filters are designed to increase horsepower and acceleration...

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired...

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Performance Fuel Filters are built for high flow rates and capacity while they provide outstanding filtration. They have a high strength carbon steel housing and a high performance rolled seam...