Designed specifically for the new Ford Focus RS platform. State-of-the-art CFD simulated, flow-analyzed and designed for perfect fitment, the BIG MOUTH always delivers the airflow! Having a forward facing air intake duct is a great way to boost throttle response, reduce air inlet and charge temps and increase airflow to your engine. Airflow is the recipe for power. We designed this ram duct to transfer all that yummy air pressure built up in front of your car during vehicle motion, directly to your airbox. The added flare assists in pulling in colder air at low speeds and at high vehicle speeds, the ram effect begins to kick in and help your EcoBoost breathe. The BIG MOUTH ram air intake will work with your stock Ford Focus RS intake system or any aftermarket intake system.