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 of Injen's 8-layer cotton gauze oiled air filters feature a tightly layered media that is specified for our use, along with a proprietary filter oil that includes highly advanced tackifiers to stop as much dirt and contaminants as possible. This allows our 8-layer oiled cotton gauze air filters to flow the maximum amount of air, all while protecting your valuable engine from harmful dirt and debris. 100% cleanable with the use of our Pro Tech air filter cleaning kit ? part number X-1030. Order yours today!, , Lab Tested ? Race Proven!, Our media was lab tested by an outside company to ensure accuracy and filtration performance. We then took that data and tested in the harshest conditions racing the Baja 1000 in Mexico and also throughout the sand dunes of the Middle East ? all to provide you with best air filter that money can buy. Improve Performance while Protecting Your Engine., Injen's 8-layer oiled cotton gauze media was designed to improve airflow and filtration efficiency resulting in increased horsepower and torque, all while protecting your engine from harmful dirt and contaminants.