K&N 99-04 Toyota Tacoma/4Runner V6-3.4L Performance Air Intake Kit - 57-9015-1

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 99-05 BMW 3 Series Performance Intake Kit - 57-1002

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 99-05 Porsche Carrera 996 Performance Intake Kit - 57-7000

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 99-07 Chevy Tahoe/Suburban V8-4.8L/5.3L High Flow Performance Kit - 77-3023KP

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 AirCharger H/D Touring Models 2017-2018 Performance Air Intake System - 63-1139

K&N AirCharger air intakes for select Harley-Davidson Touring, Softail, Twin-Cam and Sportster motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it...

K&N Aircharger Intake Toyota Gr Supra L4-2.0L F/I 20-24 - 63-9045

This K&N AirCharger air intake system replaces the restrictive factory air filter and air intake tubing while retaining the factory air box. K&N air intakes are designed to dramatically reduce intake...

K&N Aircharger Intake Toyota Gr Supra L6-3.0L F/I 20-24 - 63-9044

This K&N AirCharger air intake system replaces the restrictive factory air filter and air intake tubing while retaining the factory air box. K&N air intakes are designed to dramatically reduce intake...

K&N AirCharger Polaris RZR Pro XP 925Cc 2020-2021 Performance Air Intake System - 63-1146

The K&N 63-1146 AirCharger air intake system replaces the restrictive factory air filter and air intake housing in some Polaris Ranger RZR models. K&N air intakes are designed to dramatically reduce...

K&N Audi A4 1.8L Turbo 150BHP Performance Intake Kit - 57-0593

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 take...

K&N Audi A4 2.8L V6 Performance Intake Kit - 57-0515

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 take...

K&N BMW 118D/120D 2.0D Performance Intake Kit - 57-0680

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 take...

K&N BMW 2-3-4 Series N20 Engine Performance Air Intake System - 57S-2001

The K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your...