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...

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...

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's...

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...

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...

An enclosed air box design helps protect the filter and inlet air from the heat of the engine bay, and the air box lid allows for quick and easy access to the filter without tools. A high-density...

An enclosed air box design helps protect the filter and inlet air from the heat of the engine bay, and the air box lid allows for quick and easy access to the filter without tools. A high-density...

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...

An enclosed air box design helps protect the filter and inlet air from the heat of the engine bay, and the air box lid allows for quick and easy access to the filter without tools. A high-density...

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...

The K&N 67-3082 cat-back exhaust kit is engineered to increase performance, deliver robust sound, and install quickly and easily on 2015-2020 Chevrolet/GMC Tahoe/Yukon 5.3L models. Enjoy...

K&N FIPK 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 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 Street Metal Air Intake Systems for Harley Davidson motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum...

K&N Street Metal Air Intake Systems for Harley Davidson motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum...

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...

The K&N 69-8001TS Typhoon air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Subaru Impreza WRX Turbo and WRX STi Turbo models. The...

The K&N 69-8614TS Typhoon air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Scion TC models. The restrictive factory air filter and air...

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 K&N 69-1503TS Typhoon air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit specific Acura ILX models. The restrictive factory air filter and...

The K&N 69-6540TB Typhoon air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Mitsubishi Lancer models. The restrictive factory air filter...

K&N FIPK 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...

K&N FIPK 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...

K&N FIPK 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...