63-7001 GT3 owners can realize a gain of nearly 25 hp K&N tested a Porsche 911 GT3 . Showing an increase of 24.65 hp @ 6726 RPM. Designed to dramatically reduce intake restriction as they smooth & straighten airflow. Allows vehicle’s engine to use a larger volume of air than the OEM assembly. More air means more power & torque when you need it. System uses a conical shaped, carbon fiber top, high-flow air filter & powder coated two-piece aluminum heat shield.