The Ford Focus RS Big Mouth Ram Air Intake by Velossa Tech The new Velossa Tech Big Mouth Ram Air Intake system has been specifically designed for the Ford Focus RS. This big mouth intake has been CFD simulated, flow analyzed and designed for an exact fitment. Having a Ram Air Intake is a great way to boost throttle response while minimizing inlet and charge temperatures. You can customize the color of your Big Mouth body, inlet flare and seal to match your Focus RS color profile. We rate this product as one of the "best bang for the buck" mods you can do to your RS.