Air Filters - Drop In

With a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injen's air filter line features state of the art designs and performance. All SuperNano-Web air filters...

With a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injen's air filter line features state of the art designs and performance. All SuperNano-Web air filters...

With a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven, Injen's air filter line features state of the art designs and performance. All SuperNano-Web air filters...

GReddy Universal Airinx M #80

GReddy Airinx S 80mm Universal Filter

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan...

GReddy Airinx S 70mm Universal Filter

GReddy Airinx S 50 / 60mm Universal Filter

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan...

BMC 2012+ BMW 3 (F30/F31/F80) 330 D Replacement Panel Air Filter

With five layers of progressively finer mesh cotton gauze media and two layers of synthetic media and a 100% polyurethane top and base, this high flow "oiled" conical inverted top performance filter provides excellent airflow for maximum horsepower and torque. Washable and reusable for...

With seven layers of progressively finer mesh cotton gauze/synthetic media between 100-percent polyurethane top and base, this high flow "oiled" conical performance filter provide maximum protection with highest cumulative filtration efficiency for severe duty environments. Washable and reusable for multiple cleanings, the tall open...

Magnum FORCE Intake Replacement Air Filter w/ Pro 5R Media 5 IN F x (11x6-1/2) IN B x (8-1/2x4) IN T x 7-1/2 IN H

BMC 2010+ Alpina B3 III 3.0L Replacement Panel Air Filter

BMC 93-97 Porsche 911 (993) 3.6 Carrera Replacement Panel Air Filter

The K&N Flame Arrestor makes the best air-filtration technology available for marine engine use. Marine application owners can experience the increased horsepower and engine protection provided by K&N's oiled cotton gauze and epoxied screen filter element. For high performance on the water, K&N Flame...

BMC 2008+ BMW 1 (E81/E82/E87/E88) 125i (US) Replacement Panel Air Filter

BMC 06-08 Porsche 911 (997) 3.8 Carrera S Replacement Panel Air Filter (Full Kit)

BMC 2006+ Evobus (Mercedes-Benz/Setra) (906) 23.33 Replacement Panel Air Filter

Cobb Porsche 718 Cayman / Boxster High Flow Air Filter