-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.
-Pre-Oiled high performance filter is washable and reusable.
Note:
-For '93-'99 Evolution Big Twin models with CV carb.
-Performance filter is made from 4 layers of surgical grade cotton.
-Increases horsepower and torque.
-Performance filter is handmade in the USA.