K&N 15-17 Ford Mustang I4 2.3L F/I Boost Control ModuleK&N's Boost Control Module works within factory parameters to increase boost, improving throttle response, and offering a power increase of up to 47 horsepower depending on vehicle application. The system can typically be installed in less than 30 minutes (no software required), and is adjustable on the go, helping you fine tune your boost level to your preferences and needs. When you need more power, simply adjust the dial to give your acceleration a