quick view Add to Cart Weapon R 2013 Turbo Stealth Secret Weapon Intake-Flat Black Ford Focus ST 2.0L MSRP: $399.99 $295.00 The Secret Weapon Intake was designed, to increase air intake volume to the engine. The concept is to create two different air velocity profiles, one traveling at higher speeds than the other. This technology increases air volume and speed to the... Add to Cart Add to Wish List Add to My Wish List Create New Wish List