The K&N AirCharger 63-9034 air intake system replaces your vehicle's restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they...

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...

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...

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...

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 63-9042 Performance Air Intake and Air Box Kit for 2022-2026 Toyota Sequoia and Tundra is a complete 63 Series system with integrated air box, roto-molded HDPE tube, and high-flow red cotton...

K&N 63-9043 Performance Air Intake System for 2024-2026 Toyota 4Runner, Land Cruiser, and Tacoma L4-2.4 Turbo features an enclosed air box, roto-molded HDPE tube, and high-flow oiled cotton filter...

K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just...

K&N 66-1401 X-Stream Top Filter is a high-performance lid that replaces the top of existing 14-inch round air filters, increasing filter area and airflow while maintaining excellent filtration.Key...

K&N 66-1401XP X-Stream Top Filter features a chrome metal top for a stylish look while adding filter area and improving airflow to your existing round air filter.Key Features:High air flow with...

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and...

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and...