One-Piece aluminum backing plate with hidden breather technology
Each hidden breather is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system, eliminating the need for any external hoses or hardware
Radius air inlet provides maximum performance by providing unobstructed airflow
All necessary hardware and instructions are included
Performance filter is made from 4 layers of surgical grade cotton
Pre-Oiled high performance filter is washable and reusable
Increases horsepower and torque
Performance filter is handmade in the USA