The F8x M3/M4 Performance Air Intake Kit is designed for the ultimate performance and sound. This kit features a high-flow air filter, an aluminum intake tube, and an oiled cotton gauze media to maximize airflow into your engine. The included heat shield helps protect the filter from direct heat sources while also helping keep the warm air away from the filter. This combination results in increased horsepower, torque, and throttle response throughout the powerband. The unique design of this kit allows you to easily install it without having to make any modifications to your vehicle’s existing components. With its simple installation process and great performance gains, this is an ideal upgrade for anyone looking to get more out of their BMW M3 or M4! 15 Hp is expected.