The EVO9202 was precisely tuned and tested on our in - house dyno to replicate stock fueling while increasing horsepower and torque. The EVO9202 system features our patent - pending twist - lock system that eases the installation process and securely mounts a massive SuperNano - Web dry air filter. Injen has a smooth rotational molded induction tube for reduced restriction levels and premium hardware for easy installation. Every Injen Evolution air induction system utilizes Injen's proprietary SuperNano - Web dry air filters. The Evolution induction systems utilize some of the largest filters on the market employing super deep filter pleats, with some measuring over 1.25deep The EVO9202 cold air intake system was designed to use the maximum space available under the hood to ensure optimum breathing room and extreme performance. The Evolution can't be stopped..