Genuine Toyota Parts PTR03-35090 TRD Cold Air Intake System Dyno-tested to deliver an increase in both horsepower and torque for superior acceleration and power. Optimized airflow to engine intake can increase fuel efficiency. Features reusable high-flow, low restriction conical air filter that can be cleaned and reused for the life of the vehicle. Incorporates a vacuum indicator that monitors filter efficiency and indicates when filter service is required. Emission-legal in all 50 states.