K&N Engineering

57-series OEM air box intake systems include a washable, reusable High-Flow Air Filter paired with a CAD-designed high airflow intake tube, and is designed to be a simple, cost-effective performance...

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...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of...

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner...

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's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner...

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit...

The K&N Flow Control System utilizes a custom designed base in combination with a unique lid designed to reduce intake turbulence. The resulting smooth, laminar flow enhances cylinder filling,...

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner...

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit...

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit...

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide...

The K&N 71-1557 Blackhawk Induction Air Intake System is a free-flowing, mandrel-bent aluminum tube air intake system that is guaranteed to gain power. It replaces your vehicle's restrictive...

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside...

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside...

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...

K&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can...

The RP-4600 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight...

The 100-8522 carbon fiber intake tube was designed to fit NHRA Pro Stock vehicles. The kit comes with 2 carbon intake tubes, 1 billet throttle body adapter, silicone hoses and hardware to install on...

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with...

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 2020-2024 Ford Explorer 2.3L L4 F/I High Flow Performance Intake Kit - 77-2594KC Gain a guaranteed increase in horsepower and torque with K&N cold air intake system featuring madrel-bent...