Air Intake Systems

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...

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 Toyota MR2 1.8L 16V Generation II Induction Kit - 57I-9002

K&N 57i Generation II Induction Kits are built primarily for European vehicles. They come with K&N's No-Hassle Lifetime Limited Warranty. These intake kits use only non-metallic rotationally molded tubes that can reduce air temperature and decrease...

K&N Performance Intake Kit FORD FOCUS II ST 2.5L 20V TURBO - 57I-2503

K&N 57i Generation II Induction Kits are built primarily for European vehicles. They come with K&N's Million Mile Limited Warranty. These intake kits use only non-metallic rotationally molded tubes that can reduce air temperature and decrease intake...

K&N Performance Intake Kit BMW 325I, 2.5L, L6, 24V, 192BHP, 1991-1995 - 57I-1001

K&N 57i Generation II Induction Kits are built primarily for European vehicles. They come with K&N's No-Hassle Lifetime Limited Warranty. These intake kits use only non-metallic rotationally molded tubes that can reduce air temperature and decrease...

K&N 98-05 BMW 3-Series Generation II Induction Kit - 57I-1000

K&N 57i Generation II Induction Kits are built primarily for European vehicles. They come with K&N's No-Hassle Lifetime Limited Warranty. These intake kits use only non-metallic rotationally molded tubes that can reduce air temperature and decrease...

K&N Performance Intake Kit LOTUS ELISE 1.8I, 16V, 189BHP (TOYOTA VVTI ENG) - 57A-6034

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. The Apollo's shell reduces heat build-up and feeds...

K&N 06-08 Miata Apollo Cold Air Intake Kit - 57A-6023

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. The Apollo's shell reduces heat build-up and feeds...

K&N 17-19 Toyota Corolla L4-1.8L F/I Performance Air Intake System - 57-9041

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 upgrade. The included oiled cotton filter is a direct...

K&N 16-19 Toyota Tacoma V6-3.5L Performance Air Intake System - 57-9039

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 upgrade. The included oiled cotton filter is a direct...

K&N 14-15 Toyota Tundra V8-4.7L/5.7L Performance Air Intake System - 57-9036

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 upgrade. The included oiled cotton filter is a direct...

K&N 15-19 Toyota 4 Runner V6-4.0L Performance Air Intake Kit - 57-9034

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 upgrade. The included oiled cotton filter is a direct...