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's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty. Engineered to provide high...

The K&N 57-9027 FIPK air intake system replaces the restrictive factory air filter and air intake tubing in some Toyota Tundra and Sequoia models. K&N intakes are designed to dramatically reduce...

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...

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...

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...

K&N Apollo Cold Air Induction Systems incorporate a washable/reusable K&N High-Flow Air Filter within a protective shell. They come with custom mounting hardware to fit specific vehicle applications...

K&N's easy-to-install performance air box replaces the restrictive factory air filter and air intake housing delivering a power gain. This power boosting air intake comes with K&N's No-Hassle...

K&N's easy-to-install performance air box replaces the restrictive factory air filtration system delivering a guaranteed power gain. This power boosting air intake comes with K&N's famous Million...

K&N's easy-to-install performance air box replaces the restrictive factory air filter and air intake housing delivering a power gain. This power boosting air intake comes with K&N's No-Hassle...