K&N 99-04 Toyota Tacoma/4Runner V6-3.4L High Flow Performance Kit - 77-9015KP

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 Filter featuring oiled cotton filter media. The oversized,...

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 with a washable, reusable High-Flow Air Filter...

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 with a washable, reusable High-Flow Air Filter...

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 with a washable, reusable High-Flow Air Filter...

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 Filter featuring oiled cotton filter media. The oversized,...

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 with a K&N high-flow air filter and cast aluminum 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 intake restriction as they smooth and straighten air...

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 a variety of different forms based on vehicle...

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 a variety of different forms based on vehicle...

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 a variety of different forms based on vehicle...

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 engine to inhale more air than with the factory air filter...

K&N BMW E90/91/93 335I N54 Engine Performance Air Intake System - 57S-2003

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 engine to inhale more air than with the factory air filter...